86420210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 164126088

約数和(自身を除く): 77705878

約数列:

[1, 2, 5, 10, 41, 53, 82, 97, 106, 194, 205, 265, 410, 485, 530, 970, 1681, 2173, 3362, 3977, 4346, 5141, 7954, 8405, 10282, 10865, 16810, 19885, 21730, 25705, 39770, 51410, 89093, 163057, 178186, 210781, 326114, 421562, 445465, 815285, 890930, 1053905, 1630570, 2107810, 8642021, 17284042, 43210105, 86420210]

約数ペア:

[(1, 86420210), (2, 43210105), (5, 17284042), (10, 8642021), (41, 2107810), (53, 1630570), (82, 1053905), (97, 890930), (106, 815285), (194, 445465), (205, 421562), (265, 326114), (410, 210781), (485, 178186), (530, 163057), (970, 89093), (1681, 51410), (2173, 39770), (3362, 25705), (3977, 21730), (4346, 19885), (5141, 16810), (7954, 10865), (8405, 10282)]