7803940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 17385984

約数和(自身を除く): 9582044

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 307, 310, 410, 614, 620, 820, 1228, 1271, 1535, 2542, 3070, 5084, 6140, 6355, 9517, 12587, 12710, 19034, 25174, 25420, 38068, 47585, 50348, 62935, 95170, 125870, 190340, 251740, 390197, 780394, 1560788, 1950985, 3901970, 7803940]

約数ペア:

[(1, 7803940), (2, 3901970), (4, 1950985), (5, 1560788), (10, 780394), (20, 390197), (31, 251740), (41, 190340), (62, 125870), (82, 95170), (124, 62935), (155, 50348), (164, 47585), (205, 38068), (307, 25420), (310, 25174), (410, 19034), (614, 12710), (620, 12587), (820, 9517), (1228, 6355), (1271, 6140), (1535, 5084), (2542, 3070)]