201777620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39877}}^1$

素因数の和:39920

約数の個数: 48

約数和(自身を含む): 482364288

約数和(自身を除く): 280586668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 39877, 79754, 159508, 199385, 398770, 438647, 797540, 877294, 917171, 1754588, 1834342, 2193235, 3668684, 4386470, 4585855, 8772940, 9171710, 10088881, 18343420, 20177762, 40355524, 50444405, 100888810, 201777620]

約数ペア:

[(1, 201777620), (2, 100888810), (4, 50444405), (5, 40355524), (10, 20177762), (11, 18343420), (20, 10088881), (22, 9171710), (23, 8772940), (44, 4585855), (46, 4386470), (55, 3668684), (92, 2193235), (110, 1834342), (115, 1754588), (220, 917171), (230, 877294), (253, 797540), (460, 438647), (506, 398770), (1012, 199385), (1265, 159508), (2530, 79754), (5060, 39877)]