388623880

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{50867}}^1$

素因数の和:51069

約数の個数: 32

約数和(自身を含む): 878999040

約数和(自身を除く): 490375160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 50867, 101734, 203468, 254335, 406936, 508670, 1017340, 2034680, 9715597, 19431194, 38862388, 48577985, 77724776, 97155970, 194311940, 388623880]

約数ペア:

[(1, 388623880), (2, 194311940), (4, 97155970), (5, 77724776), (8, 48577985), (10, 38862388), (20, 19431194), (40, 9715597), (191, 2034680), (382, 1017340), (764, 508670), (955, 406936), (1528, 254335), (1910, 203468), (3820, 101734), (7640, 50867)]