138896940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25439}}^1$

素因数の和:25471

約数の個数: 96

約数和(自身を含む): 478679040

約数和(自身を除く): 339782100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 25439, 50878, 76317, 101756, 127195, 152634, 178073, 254390, 305268, 330707, 356146, 381585, 508780, 534219, 661414, 712292, 763170, 890365, 992121, 1068438, 1322828, 1526340, 1653535, 1780730, 1984242, 2136876, 2314949, 2671095, 3307070, 3561460, 3968484, 4629898, 4960605, 5342190, 6614140, 6944847, 9259796, 9921210, 10684380, 11574745, 13889694, 19842420, 23149490, 27779388, 34724235, 46298980, 69448470, 138896940]

約数ペア:

[(1, 138896940), (2, 69448470), (3, 46298980), (4, 34724235), (5, 27779388), (6, 23149490), (7, 19842420), (10, 13889694), (12, 11574745), (13, 10684380), (14, 9921210), (15, 9259796), (20, 6944847), (21, 6614140), (26, 5342190), (28, 4960605), (30, 4629898), (35, 3968484), (39, 3561460), (42, 3307070), (52, 2671095), (60, 2314949), (65, 2136876), (70, 1984242), (78, 1780730), (84, 1653535), (91, 1526340), (105, 1322828), (130, 1068438), (140, 992121), (156, 890365), (182, 763170), (195, 712292), (210, 661414), (260, 534219), (273, 508780), (364, 381585), (390, 356146), (420, 330707), (455, 305268), (546, 254390), (780, 178073), (910, 152634), (1092, 127195), (1365, 101756), (1820, 76317), (2730, 50878), (5460, 25439)]