4446020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 9870336

約数和(自身を除く): 5424316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 101, 124, 142, 155, 202, 284, 310, 355, 404, 505, 620, 710, 1010, 1420, 2020, 2201, 3131, 4402, 6262, 7171, 8804, 11005, 12524, 14342, 15655, 22010, 28684, 31310, 35855, 44020, 62620, 71710, 143420, 222301, 444602, 889204, 1111505, 2223010, 4446020]

約数ペア:

[(1, 4446020), (2, 2223010), (4, 1111505), (5, 889204), (10, 444602), (20, 222301), (31, 143420), (62, 71710), (71, 62620), (101, 44020), (124, 35855), (142, 31310), (155, 28684), (202, 22010), (284, 15655), (310, 14342), (355, 12524), (404, 11005), (505, 8804), (620, 7171), (710, 6262), (1010, 4402), (1420, 3131), (2020, 2201)]