1490228740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 4339383552

約数和(自身を除く): 2849154812

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 67, 70, 77, 91, 101, 110, 121, 130, 134, 140, 143, 154, 182, 202, 220, 242, 260, 268, 286, 308, 335, 364, 385, 404, 455, 469, 484, 505, 572, 605, 670, 707, 715, 737, 770, 847, 871, 910, 938, 1001, 1010, 1111, 1210, 1313, 1340, 1414, 1430, 1474, 1540, 1573, 1694, 1742, 1820, 1876, 2002, 2020, 2222, 2345, 2420, 2626, 2828, 2860, 2948, 3146, 3388, 3484, 3535, 3685, 4004, 4235, 4355, 4444, 4690, 5005, 5159, 5252, 5555, 6097, 6292, 6565, 6767, 7070, 7370, 7777, 7865, 8107, 8470, 8710, 9191, 9380, 9581, 10010, 10318, 11011, 11110, 12194, 12221, 13130, 13534, 14140, 14443, 14740, 15554, 15730, 16214, 16940, 17420, 18382, 19162, 20020, 20636, 22022, 22220, 24388, 24442, 25795, 26260, 27068, 28886, 30485, 31108, 31460, 32428, 33835, 36764, 38324, 38885, 40535, 44044, 45955, 47369, 47905, 48884, 51590, 55055, 56749, 57772, 60970, 61105, 67067, 67670, 72215, 74437, 77770, 81070, 85547, 87971, 91910, 94738, 95810, 101101, 103180, 105391, 110110, 113498, 121940, 122210, 134134, 135340, 144430, 148874, 155540, 158873, 162140, 171094, 175942, 183820, 189476, 191620, 202202, 210782, 220220, 226996, 236845, 244420, 268268, 283745, 288860, 297748, 317746, 335335, 342188, 351884, 372185, 404404, 421564, 427735, 439855, 473690, 505505, 521059, 526955, 567490, 615797, 635492, 670670, 737737, 744370, 794365, 818807, 855470, 879710, 947380, 967681, 1011010, 1042118, 1053910, 1112111, 1134980, 1231594, 1341340, 1475474, 1488740, 1588730, 1637614, 1710940, 1759420, 1935362, 2022020, 2084236, 2107820, 2224222, 2463188, 2605295, 2950948, 3078985, 3177460, 3275228, 3688685, 3870724, 4094035, 4448444, 4838405, 5210590, 5560555, 5731649, 6157970, 6773767, 7377370, 8188070, 9676810, 10421180, 10644491, 11121110, 11463298, 12315940, 13547534, 14754740, 16376140, 19353620, 21288982, 22242220, 22926596, 27095068, 28658245, 33868835, 42577964, 53222455, 57316490, 67737670, 74511437, 106444910, 114632980, 135475340, 149022874, 212889820, 298045748, 372557185, 745114370, 1490228740]

約数ペア:

[(1, 1490228740), (2, 745114370), (4, 372557185), (5, 298045748), (7, 212889820), (10, 149022874), (11, 135475340), (13, 114632980), (14, 106444910), (20, 74511437), (22, 67737670), (26, 57316490), (28, 53222455), (35, 42577964), (44, 33868835), (52, 28658245), (55, 27095068), (65, 22926596), (67, 22242220), (70, 21288982), (77, 19353620), (91, 16376140), (101, 14754740), (110, 13547534), (121, 12315940), (130, 11463298), (134, 11121110), (140, 10644491), (143, 10421180), (154, 9676810), (182, 8188070), (202, 7377370), (220, 6773767), (242, 6157970), (260, 5731649), (268, 5560555), (286, 5210590), (308, 4838405), (335, 4448444), (364, 4094035), (385, 3870724), (404, 3688685), (455, 3275228), (469, 3177460), (484, 3078985), (505, 2950948), (572, 2605295), (605, 2463188), (670, 2224222), (707, 2107820), (715, 2084236), (737, 2022020), (770, 1935362), (847, 1759420), (871, 1710940), (910, 1637614), (938, 1588730), (1001, 1488740), (1010, 1475474), (1111, 1341340), (1210, 1231594), (1313, 1134980), (1340, 1112111), (1414, 1053910), (1430, 1042118), (1474, 1011010), (1540, 967681), (1573, 947380), (1694, 879710), (1742, 855470), (1820, 818807), (1876, 794365), (2002, 744370), (2020, 737737), (2222, 670670), (2345, 635492), (2420, 615797), (2626, 567490), (2828, 526955), (2860, 521059), (2948, 505505), (3146, 473690), (3388, 439855), (3484, 427735), (3535, 421564), (3685, 404404), (4004, 372185), (4235, 351884), (4355, 342188), (4444, 335335), (4690, 317746), (5005, 297748), (5159, 288860), (5252, 283745), (5555, 268268), (6097, 244420), (6292, 236845), (6565, 226996), (6767, 220220), (7070, 210782), (7370, 202202), (7777, 191620), (7865, 189476), (8107, 183820), (8470, 175942), (8710, 171094), (9191, 162140), (9380, 158873), (9581, 155540), (10010, 148874), (10318, 144430), (11011, 135340), (11110, 134134), (12194, 122210), (12221, 121940), (13130, 113498), (13534, 110110), (14140, 105391), (14443, 103180), (14740, 101101), (15554, 95810), (15730, 94738), (16214, 91910), (16940, 87971), (17420, 85547), (18382, 81070), (19162, 77770), (20020, 74437), (20636, 72215), (22022, 67670), (22220, 67067), (24388, 61105), (24442, 60970), (25795, 57772), (26260, 56749), (27068, 55055), (28886, 51590), (30485, 48884), (31108, 47905), (31460, 47369), (32428, 45955), (33835, 44044), (36764, 40535), (38324, 38885)]