85137700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 199065384

約数和(自身を除く): 113927684

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 305, 340, 425, 610, 821, 850, 1037, 1220, 1525, 1642, 1700, 2074, 3050, 3284, 4105, 4148, 5185, 6100, 8210, 10370, 13957, 16420, 20525, 20740, 25925, 27914, 41050, 50081, 51850, 55828, 69785, 82100, 100162, 103700, 139570, 200324, 250405, 279140, 348925, 500810, 697850, 851377, 1001620, 1252025, 1395700, 1702754, 2504050, 3405508, 4256885, 5008100, 8513770, 17027540, 21284425, 42568850, 85137700]

約数ペア:

[(1, 85137700), (2, 42568850), (4, 21284425), (5, 17027540), (10, 8513770), (17, 5008100), (20, 4256885), (25, 3405508), (34, 2504050), (50, 1702754), (61, 1395700), (68, 1252025), (85, 1001620), (100, 851377), (122, 697850), (170, 500810), (244, 348925), (305, 279140), (340, 250405), (425, 200324), (610, 139570), (821, 103700), (850, 100162), (1037, 82100), (1220, 69785), (1525, 55828), (1642, 51850), (1700, 50081), (2074, 41050), (3050, 27914), (3284, 25925), (4105, 20740), (4148, 20525), (5185, 16420), (6100, 13957), (8210, 10370)]