261880450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10889}}^1$

素因数の和:10951

約数の個数: 48

約数和(自身を含む): 538793640

約数和(自身を除く): 276913190

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 925, 962, 1850, 2405, 4810, 10889, 12025, 21778, 24050, 54445, 108890, 141557, 272225, 283114, 402893, 544450, 707785, 805786, 1415570, 2014465, 3538925, 4028930, 5237609, 7077850, 10072325, 10475218, 20144650, 26188045, 52376090, 130940225, 261880450]

約数ペア:

[(1, 261880450), (2, 130940225), (5, 52376090), (10, 26188045), (13, 20144650), (25, 10475218), (26, 10072325), (37, 7077850), (50, 5237609), (65, 4028930), (74, 3538925), (130, 2014465), (185, 1415570), (325, 805786), (370, 707785), (481, 544450), (650, 402893), (925, 283114), (962, 272225), (1850, 141557), (2405, 108890), (4810, 54445), (10889, 24050), (12025, 21778)]