90909490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2357}}^1$

素因数の和:2419

約数の個数: 64

約数和(自身を含む): 203731200

約数和(自身を除く): 112821710

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 95, 133, 145, 190, 203, 266, 290, 406, 551, 665, 1015, 1102, 1330, 2030, 2357, 2755, 3857, 4714, 5510, 7714, 11785, 16499, 19285, 23570, 32998, 38570, 44783, 68353, 82495, 89566, 136706, 164990, 223915, 313481, 341765, 447830, 478471, 626962, 683530, 956942, 1298707, 1567405, 2392355, 2597414, 3134810, 4784710, 6493535, 9090949, 12987070, 18181898, 45454745, 90909490]

約数ペア:

[(1, 90909490), (2, 45454745), (5, 18181898), (7, 12987070), (10, 9090949), (14, 6493535), (19, 4784710), (29, 3134810), (35, 2597414), (38, 2392355), (58, 1567405), (70, 1298707), (95, 956942), (133, 683530), (145, 626962), (190, 478471), (203, 447830), (266, 341765), (290, 313481), (406, 223915), (551, 164990), (665, 136706), (1015, 89566), (1102, 82495), (1330, 68353), (2030, 44783), (2357, 38570), (2755, 32998), (3857, 23570), (4714, 19285), (5510, 16499), (7714, 11785)]