2007880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 5287680

約数和(自身を除く): 3279800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 101, 140, 142, 202, 280, 284, 355, 404, 497, 505, 568, 707, 710, 808, 994, 1010, 1414, 1420, 1988, 2020, 2485, 2828, 2840, 3535, 3976, 4040, 4970, 5656, 7070, 7171, 9940, 14140, 14342, 19880, 28280, 28684, 35855, 50197, 57368, 71710, 100394, 143420, 200788, 250985, 286840, 401576, 501970, 1003940, 2007880]

約数ペア:

[(1, 2007880), (2, 1003940), (4, 501970), (5, 401576), (7, 286840), (8, 250985), (10, 200788), (14, 143420), (20, 100394), (28, 71710), (35, 57368), (40, 50197), (56, 35855), (70, 28684), (71, 28280), (101, 19880), (140, 14342), (142, 14140), (202, 9940), (280, 7171), (284, 7070), (355, 5656), (404, 4970), (497, 4040), (505, 3976), (568, 3535), (707, 2840), (710, 2828), (808, 2485), (994, 2020), (1010, 1988), (1414, 1420)]