139128220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 377524224

約数和(自身を除く): 238396004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 121, 140, 154, 172, 191, 215, 220, 242, 301, 308, 382, 385, 430, 473, 484, 602, 605, 764, 770, 847, 860, 946, 955, 1204, 1210, 1337, 1505, 1540, 1694, 1892, 1910, 2101, 2365, 2420, 2674, 3010, 3311, 3388, 3820, 4202, 4235, 4730, 5203, 5348, 6020, 6622, 6685, 8213, 8404, 8470, 9460, 10406, 10505, 13244, 13370, 14707, 16426, 16555, 16940, 20812, 21010, 23111, 26015, 26740, 29414, 32852, 33110, 36421, 41065, 42020, 46222, 52030, 57491, 58828, 66220, 72842, 73535, 82130, 90343, 92444, 104060, 114982, 115555, 145684, 147070, 161777, 164260, 180686, 182105, 229964, 231110, 287455, 294140, 323554, 361372, 364210, 451715, 462220, 574910, 632401, 647108, 728420, 808885, 903430, 993773, 1149820, 1264802, 1617770, 1806860, 1987546, 2529604, 3162005, 3235540, 3975092, 4968865, 6324010, 6956411, 9937730, 12648020, 13912822, 19875460, 27825644, 34782055, 69564110, 139128220]

約数ペア:

[(1, 139128220), (2, 69564110), (4, 34782055), (5, 27825644), (7, 19875460), (10, 13912822), (11, 12648020), (14, 9937730), (20, 6956411), (22, 6324010), (28, 4968865), (35, 3975092), (43, 3235540), (44, 3162005), (55, 2529604), (70, 1987546), (77, 1806860), (86, 1617770), (110, 1264802), (121, 1149820), (140, 993773), (154, 903430), (172, 808885), (191, 728420), (215, 647108), (220, 632401), (242, 574910), (301, 462220), (308, 451715), (382, 364210), (385, 361372), (430, 323554), (473, 294140), (484, 287455), (602, 231110), (605, 229964), (764, 182105), (770, 180686), (847, 164260), (860, 161777), (946, 147070), (955, 145684), (1204, 115555), (1210, 114982), (1337, 104060), (1505, 92444), (1540, 90343), (1694, 82130), (1892, 73535), (1910, 72842), (2101, 66220), (2365, 58828), (2420, 57491), (2674, 52030), (3010, 46222), (3311, 42020), (3388, 41065), (3820, 36421), (4202, 33110), (4235, 32852), (4730, 29414), (5203, 26740), (5348, 26015), (6020, 23111), (6622, 21010), (6685, 20812), (8213, 16940), (8404, 16555), (8470, 16426), (9460, 14707), (10406, 13370), (10505, 13244)]