1003940

素因数分解:

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

素因数の和:188

約数の個数: 48

約数和(自身を含む): 2467584

約数和(自身を除く): 1463644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 101, 140, 142, 202, 284, 355, 404, 497, 505, 707, 710, 994, 1010, 1414, 1420, 1988, 2020, 2485, 2828, 3535, 4970, 7070, 7171, 9940, 14140, 14342, 28684, 35855, 50197, 71710, 100394, 143420, 200788, 250985, 501970, 1003940]

約数ペア:

[(1, 1003940), (2, 501970), (4, 250985), (5, 200788), (7, 143420), (10, 100394), (14, 71710), (20, 50197), (28, 35855), (35, 28684), (70, 14342), (71, 14140), (101, 9940), (140, 7171), (142, 7070), (202, 4970), (284, 3535), (355, 2828), (404, 2485), (497, 2020), (505, 1988), (707, 1420), (710, 1414), (994, 1010)]