204987640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35837}}^1$

素因数の和:35872

約数の個数: 64

約数和(自身を含む): 541870560

約数和(自身を除く): 336882920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 35837, 71674, 143348, 179185, 286696, 358370, 394207, 465881, 716740, 788414, 931762, 1433480, 1576828, 1863524, 1971035, 2329405, 3153656, 3727048, 3942070, 4658810, 5124691, 7884140, 9317620, 10249382, 15768280, 18635240, 20498764, 25623455, 40997528, 51246910, 102493820, 204987640]

約数ペア:

[(1, 204987640), (2, 102493820), (4, 51246910), (5, 40997528), (8, 25623455), (10, 20498764), (11, 18635240), (13, 15768280), (20, 10249382), (22, 9317620), (26, 7884140), (40, 5124691), (44, 4658810), (52, 3942070), (55, 3727048), (65, 3153656), (88, 2329405), (104, 1971035), (110, 1863524), (130, 1576828), (143, 1433480), (220, 931762), (260, 788414), (286, 716740), (440, 465881), (520, 394207), (572, 358370), (715, 286696), (1144, 179185), (1430, 143348), (2860, 71674), (5720, 35837)]