1870296440

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{120199}}^1$

素因数の和:120599

約数の個数: 32

約数和(自身を含む): 4219020000

約数和(自身を除く): 2348723560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 120199, 240398, 480796, 600995, 961592, 1201990, 2403980, 4807960, 46757411, 93514822, 187029644, 233787055, 374059288, 467574110, 935148220, 1870296440]

約数ペア:

[(1, 1870296440), (2, 935148220), (4, 467574110), (5, 374059288), (8, 233787055), (10, 187029644), (20, 93514822), (40, 46757411), (389, 4807960), (778, 2403980), (1556, 1201990), (1945, 961592), (3112, 600995), (3890, 480796), (7780, 240398), (15560, 120199)]