78017830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 163010880

約数和(自身を除く): 84993050

約数列:

[1, 2, 5, 10, 11, 22, 29, 37, 55, 58, 74, 110, 145, 185, 290, 319, 370, 407, 638, 661, 814, 1073, 1322, 1595, 2035, 2146, 3190, 3305, 4070, 5365, 6610, 7271, 10730, 11803, 14542, 19169, 23606, 24457, 36355, 38338, 48914, 59015, 72710, 95845, 118030, 122285, 191690, 210859, 244570, 269027, 421718, 538054, 709253, 1054295, 1345135, 1418506, 2108590, 2690270, 3546265, 7092530, 7801783, 15603566, 39008915, 78017830]

約数ペア:

[(1, 78017830), (2, 39008915), (5, 15603566), (10, 7801783), (11, 7092530), (22, 3546265), (29, 2690270), (37, 2108590), (55, 1418506), (58, 1345135), (74, 1054295), (110, 709253), (145, 538054), (185, 421718), (290, 269027), (319, 244570), (370, 210859), (407, 191690), (638, 122285), (661, 118030), (814, 95845), (1073, 72710), (1322, 59015), (1595, 48914), (2035, 38338), (2146, 36355), (3190, 24457), (3305, 23606), (4070, 19169), (5365, 14542), (6610, 11803), (7271, 10730)]