203208850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1571}}^1$

素因数の和:1795

約数の個数: 48

約数和(自身を含む): 409348800

約数和(自身を除く): 206139950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 199, 325, 398, 650, 995, 1571, 1990, 2587, 3142, 4975, 5174, 7855, 9950, 12935, 15710, 20423, 25870, 39275, 40846, 64675, 78550, 102115, 129350, 204230, 312629, 510575, 625258, 1021150, 1563145, 3126290, 4064177, 7815725, 8128354, 15631450, 20320885, 40641770, 101604425, 203208850]

約数ペア:

[(1, 203208850), (2, 101604425), (5, 40641770), (10, 20320885), (13, 15631450), (25, 8128354), (26, 7815725), (50, 4064177), (65, 3126290), (130, 1563145), (199, 1021150), (325, 625258), (398, 510575), (650, 312629), (995, 204230), (1571, 129350), (1990, 102115), (2587, 78550), (3142, 64675), (4975, 40846), (5174, 39275), (7855, 25870), (9950, 20423), (12935, 15710)]