289850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 642816

約数和(自身を除く): 352966

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 31, 34, 50, 55, 62, 85, 110, 155, 170, 187, 275, 310, 341, 374, 425, 527, 550, 682, 775, 850, 935, 1054, 1550, 1705, 1870, 2635, 3410, 4675, 5270, 5797, 8525, 9350, 11594, 13175, 17050, 26350, 28985, 57970, 144925, 289850]

約数ペア:

[(1, 289850), (2, 144925), (5, 57970), (10, 28985), (11, 26350), (17, 17050), (22, 13175), (25, 11594), (31, 9350), (34, 8525), (50, 5797), (55, 5270), (62, 4675), (85, 3410), (110, 2635), (155, 1870), (170, 1705), (187, 1550), (275, 1054), (310, 935), (341, 850), (374, 775), (425, 682), (527, 550)]