398005300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 216

約数和(自身を含む): 1123039232

約数和(自身を除く): 725033932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 37, 44, 50, 55, 70, 74, 77, 100, 110, 121, 127, 140, 148, 154, 175, 185, 220, 242, 254, 259, 275, 308, 350, 370, 385, 407, 484, 508, 518, 550, 605, 635, 700, 740, 770, 814, 847, 889, 925, 1036, 1100, 1210, 1270, 1295, 1397, 1540, 1628, 1694, 1778, 1850, 1925, 2035, 2420, 2540, 2590, 2794, 2849, 3025, 3175, 3388, 3556, 3700, 3850, 4070, 4235, 4445, 4477, 4699, 5180, 5588, 5698, 6050, 6350, 6475, 6985, 7700, 8140, 8470, 8890, 8954, 9398, 9779, 10175, 11396, 12100, 12700, 12950, 13970, 14245, 15367, 16940, 17780, 17908, 18796, 19558, 20350, 21175, 22225, 22385, 23495, 25900, 27940, 28490, 30734, 31339, 32893, 34925, 39116, 40700, 42350, 44450, 44770, 46990, 48895, 51689, 56980, 61468, 62678, 65786, 69850, 71225, 76835, 84700, 88900, 89540, 93980, 97790, 103378, 107569, 111925, 117475, 125356, 131572, 139700, 142450, 153670, 156695, 164465, 195580, 206756, 215138, 223850, 234950, 244475, 258445, 284900, 307340, 313390, 328930, 361823, 384175, 430276, 447700, 469900, 488950, 516890, 537845, 568579, 626780, 657860, 723646, 768350, 783475, 822325, 977900, 1033780, 1075690, 1137158, 1292225, 1447292, 1536700, 1566950, 1644650, 1809115, 2151380, 2274316, 2584450, 2689225, 2842895, 3133900, 3289300, 3618230, 3980053, 5168900, 5378450, 5685790, 7236460, 7960106, 9045575, 10756900, 11371580, 14214475, 15920212, 18091150, 19900265, 28428950, 36182300, 39800530, 56857900, 79601060, 99501325, 199002650, 398005300]

約数ペア:

[(1, 398005300), (2, 199002650), (4, 99501325), (5, 79601060), (7, 56857900), (10, 39800530), (11, 36182300), (14, 28428950), (20, 19900265), (22, 18091150), (25, 15920212), (28, 14214475), (35, 11371580), (37, 10756900), (44, 9045575), (50, 7960106), (55, 7236460), (70, 5685790), (74, 5378450), (77, 5168900), (100, 3980053), (110, 3618230), (121, 3289300), (127, 3133900), (140, 2842895), (148, 2689225), (154, 2584450), (175, 2274316), (185, 2151380), (220, 1809115), (242, 1644650), (254, 1566950), (259, 1536700), (275, 1447292), (308, 1292225), (350, 1137158), (370, 1075690), (385, 1033780), (407, 977900), (484, 822325), (508, 783475), (518, 768350), (550, 723646), (605, 657860), (635, 626780), (700, 568579), (740, 537845), (770, 516890), (814, 488950), (847, 469900), (889, 447700), (925, 430276), (1036, 384175), (1100, 361823), (1210, 328930), (1270, 313390), (1295, 307340), (1397, 284900), (1540, 258445), (1628, 244475), (1694, 234950), (1778, 223850), (1850, 215138), (1925, 206756), (2035, 195580), (2420, 164465), (2540, 156695), (2590, 153670), (2794, 142450), (2849, 139700), (3025, 131572), (3175, 125356), (3388, 117475), (3556, 111925), (3700, 107569), (3850, 103378), (4070, 97790), (4235, 93980), (4445, 89540), (4477, 88900), (4699, 84700), (5180, 76835), (5588, 71225), (5698, 69850), (6050, 65786), (6350, 62678), (6475, 61468), (6985, 56980), (7700, 51689), (8140, 48895), (8470, 46990), (8890, 44770), (8954, 44450), (9398, 42350), (9779, 40700), (10175, 39116), (11396, 34925), (12100, 32893), (12700, 31339), (12950, 30734), (13970, 28490), (14245, 27940), (15367, 25900), (16940, 23495), (17780, 22385), (17908, 22225), (18796, 21175), (19558, 20350)]