38981670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 117089280

約数和(自身を除く): 78107610

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 109, 130, 131, 182, 195, 210, 218, 262, 273, 327, 390, 393, 455, 545, 546, 654, 655, 763, 786, 910, 917, 1090, 1310, 1365, 1417, 1526, 1635, 1703, 1834, 1965, 2289, 2730, 2751, 2834, 3270, 3406, 3815, 3930, 4251, 4578, 4585, 5109, 5502, 7085, 7630, 8502, 8515, 9170, 9919, 10218, 11445, 11921, 13755, 14170, 14279, 17030, 19838, 21255, 22890, 23842, 25545, 27510, 28558, 29757, 35763, 42510, 42837, 49595, 51090, 59514, 59605, 71395, 71526, 85674, 99190, 99953, 119210, 142790, 148785, 178815, 185627, 199906, 214185, 297570, 299859, 357630, 371254, 428370, 499765, 556881, 599718, 928135, 999530, 1113762, 1299389, 1499295, 1856270, 2598778, 2784405, 2998590, 3898167, 5568810, 6496945, 7796334, 12993890, 19490835, 38981670]

約数ペア:

[(1, 38981670), (2, 19490835), (3, 12993890), (5, 7796334), (6, 6496945), (7, 5568810), (10, 3898167), (13, 2998590), (14, 2784405), (15, 2598778), (21, 1856270), (26, 1499295), (30, 1299389), (35, 1113762), (39, 999530), (42, 928135), (65, 599718), (70, 556881), (78, 499765), (91, 428370), (105, 371254), (109, 357630), (130, 299859), (131, 297570), (182, 214185), (195, 199906), (210, 185627), (218, 178815), (262, 148785), (273, 142790), (327, 119210), (390, 99953), (393, 99190), (455, 85674), (545, 71526), (546, 71395), (654, 59605), (655, 59514), (763, 51090), (786, 49595), (910, 42837), (917, 42510), (1090, 35763), (1310, 29757), (1365, 28558), (1417, 27510), (1526, 25545), (1635, 23842), (1703, 22890), (1834, 21255), (1965, 19838), (2289, 17030), (2730, 14279), (2751, 14170), (2834, 13755), (3270, 11921), (3406, 11445), (3815, 10218), (3930, 9919), (4251, 9170), (4578, 8515), (4585, 8502), (5109, 7630), (5502, 7085)]