7287380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1831}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 15388800

約数和(自身を除く): 8101420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1831, 1990, 3662, 3980, 7324, 9155, 18310, 36620, 364369, 728738, 1457476, 1821845, 3643690, 7287380]

約数ペア:

[(1, 7287380), (2, 3643690), (4, 1821845), (5, 1457476), (10, 728738), (20, 364369), (199, 36620), (398, 18310), (796, 9155), (995, 7324), (1831, 3980), (1990, 3662)]