444156740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 945976752

約数和(自身を除く): 501820012

約数列:

[1, 2, 4, 5, 10, 20, 137, 173, 274, 346, 548, 685, 692, 865, 937, 1370, 1730, 1874, 2740, 3460, 3748, 4685, 9370, 18740, 23701, 47402, 94804, 118505, 128369, 162101, 237010, 256738, 324202, 474020, 513476, 641845, 648404, 810505, 1283690, 1621010, 2567380, 3242020, 22207837, 44415674, 88831348, 111039185, 222078370, 444156740]

約数ペア:

[(1, 444156740), (2, 222078370), (4, 111039185), (5, 88831348), (10, 44415674), (20, 22207837), (137, 3242020), (173, 2567380), (274, 1621010), (346, 1283690), (548, 810505), (685, 648404), (692, 641845), (865, 513476), (937, 474020), (1370, 324202), (1730, 256738), (1874, 237010), (2740, 162101), (3460, 128369), (3748, 118505), (4685, 94804), (9370, 47402), (18740, 23701)]