261160150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 499186800

約数和(自身を除く): 238026650

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 139, 265, 278, 530, 695, 709, 1325, 1390, 1418, 2650, 3475, 3545, 6950, 7090, 7367, 14734, 17725, 35450, 36835, 37577, 73670, 75154, 98551, 184175, 187885, 197102, 368350, 375770, 492755, 939425, 985510, 1878850, 2463775, 4927550, 5223203, 10446406, 26116015, 52232030, 130580075, 261160150]

約数ペア:

[(1, 261160150), (2, 130580075), (5, 52232030), (10, 26116015), (25, 10446406), (50, 5223203), (53, 4927550), (106, 2463775), (139, 1878850), (265, 985510), (278, 939425), (530, 492755), (695, 375770), (709, 368350), (1325, 197102), (1390, 187885), (1418, 184175), (2650, 98551), (3475, 75154), (3545, 73670), (6950, 37577), (7090, 36835), (7367, 35450), (14734, 17725)]