289367020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4621}}^1$

素因数の和:4762

約数の個数: 48

約数和(自身を含む): 633620736

約数和(自身を除く): 344253716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 4621, 6262, 9242, 12524, 15655, 18484, 23105, 31310, 46210, 62620, 92420, 143251, 286502, 466721, 573004, 716255, 933442, 1432510, 1866884, 2333605, 2865020, 4667210, 9334420, 14468351, 28936702, 57873404, 72341755, 144683510, 289367020]

約数ペア:

[(1, 289367020), (2, 144683510), (4, 72341755), (5, 57873404), (10, 28936702), (20, 14468351), (31, 9334420), (62, 4667210), (101, 2865020), (124, 2333605), (155, 1866884), (202, 1432510), (310, 933442), (404, 716255), (505, 573004), (620, 466721), (1010, 286502), (2020, 143251), (3131, 92420), (4621, 62620), (6262, 46210), (9242, 31310), (12524, 23105), (15655, 18484)]