87458510

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 160704000

約数和(自身を除く): 73245490

約数列:

[1, 2, 5, 10, 71, 142, 199, 355, 398, 619, 710, 995, 1238, 1990, 3095, 6190, 14129, 28258, 43949, 70645, 87898, 123181, 141290, 219745, 246362, 439490, 615905, 1231810, 8745851, 17491702, 43729255, 87458510]

約数ペア:

[(1, 87458510), (2, 43729255), (5, 17491702), (10, 8745851), (71, 1231810), (142, 615905), (199, 439490), (355, 246362), (398, 219745), (619, 141290), (710, 123181), (995, 87898), (1238, 70645), (1990, 43949), (3095, 28258), (6190, 14129)]