645200050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{19231}}^1$

素因数の和:19315

約数の個数: 48

約数和(自身を含む): 1330700544

約数和(自身を除く): 685500494

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 550, 610, 671, 1342, 1525, 3050, 3355, 6710, 16775, 19231, 33550, 38462, 96155, 192310, 211541, 423082, 480775, 961550, 1057705, 1173091, 2115410, 2346182, 5288525, 5865455, 10577050, 11730910, 12904001, 25808002, 29327275, 58654550, 64520005, 129040010, 322600025, 645200050]

約数ペア:

[(1, 645200050), (2, 322600025), (5, 129040010), (10, 64520005), (11, 58654550), (22, 29327275), (25, 25808002), (50, 12904001), (55, 11730910), (61, 10577050), (110, 5865455), (122, 5288525), (275, 2346182), (305, 2115410), (550, 1173091), (610, 1057705), (671, 961550), (1342, 480775), (1525, 423082), (3050, 211541), (3355, 192310), (6710, 96155), (16775, 38462), (19231, 33550)]