1405133780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{12941}}^1$

素因数の和:13100

約数の個数: 48

約数和(自身を含む): 3033087120

約数和(自身を除く): 1627953340

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 610, 890, 1220, 1780, 5429, 10858, 12941, 21716, 25882, 27145, 51764, 54290, 64705, 108580, 129410, 258820, 789401, 1151749, 1578802, 2303498, 3157604, 3947005, 4606996, 5758745, 7894010, 11517490, 15788020, 23034980, 70256689, 140513378, 281026756, 351283445, 702566890, 1405133780]

約数ペア:

[(1, 1405133780), (2, 702566890), (4, 351283445), (5, 281026756), (10, 140513378), (20, 70256689), (61, 23034980), (89, 15788020), (122, 11517490), (178, 7894010), (244, 5758745), (305, 4606996), (356, 3947005), (445, 3157604), (610, 2303498), (890, 1578802), (1220, 1151749), (1780, 789401), (5429, 258820), (10858, 129410), (12941, 108580), (21716, 64705), (25882, 54290), (27145, 51764)]