996925780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{1823}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 2154216960

約数和(自身を除く): 1157291180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 739, 740, 1478, 1823, 2956, 3646, 3695, 7292, 7390, 9115, 14780, 18230, 27343, 36460, 54686, 67451, 109372, 134902, 136715, 269804, 273430, 337255, 546860, 674510, 1347197, 1349020, 2694394, 5388788, 6735985, 13471970, 26943940, 49846289, 99692578, 199385156, 249231445, 498462890, 996925780]

約数ペア:

[(1, 996925780), (2, 498462890), (4, 249231445), (5, 199385156), (10, 99692578), (20, 49846289), (37, 26943940), (74, 13471970), (148, 6735985), (185, 5388788), (370, 2694394), (739, 1349020), (740, 1347197), (1478, 674510), (1823, 546860), (2956, 337255), (3646, 273430), (3695, 269804), (7292, 136715), (7390, 134902), (9115, 109372), (14780, 67451), (18230, 54686), (27343, 36460)]