228126140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 532100016

約数和(自身を除く): 303973876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 535, 605, 881, 1070, 1177, 1210, 1762, 2140, 2354, 2420, 3524, 4405, 4708, 5885, 8810, 9691, 11770, 12947, 17620, 19382, 23540, 25894, 38764, 48455, 51788, 64735, 94267, 96910, 106601, 129470, 188534, 193820, 213202, 258940, 377068, 426404, 471335, 533005, 942670, 1036937, 1066010, 1885340, 2073874, 2132020, 4147748, 5184685, 10369370, 11406307, 20738740, 22812614, 45625228, 57031535, 114063070, 228126140]

約数ペア:

[(1, 228126140), (2, 114063070), (4, 57031535), (5, 45625228), (10, 22812614), (11, 20738740), (20, 11406307), (22, 10369370), (44, 5184685), (55, 4147748), (107, 2132020), (110, 2073874), (121, 1885340), (214, 1066010), (220, 1036937), (242, 942670), (428, 533005), (484, 471335), (535, 426404), (605, 377068), (881, 258940), (1070, 213202), (1177, 193820), (1210, 188534), (1762, 129470), (2140, 106601), (2354, 96910), (2420, 94267), (3524, 64735), (4405, 51788), (4708, 48455), (5885, 38764), (8810, 25894), (9691, 23540), (11770, 19382), (12947, 17620)]