187564180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 400755600

約数和(自身を除く): 213191420

約数列:

[1, 2, 4, 5, 10, 20, 113, 149, 226, 298, 452, 557, 565, 596, 745, 1114, 1130, 1490, 2228, 2260, 2785, 2980, 5570, 11140, 16837, 33674, 62941, 67348, 82993, 84185, 125882, 165986, 168370, 251764, 314705, 331972, 336740, 414965, 629410, 829930, 1258820, 1659860, 9378209, 18756418, 37512836, 46891045, 93782090, 187564180]

約数ペア:

[(1, 187564180), (2, 93782090), (4, 46891045), (5, 37512836), (10, 18756418), (20, 9378209), (113, 1659860), (149, 1258820), (226, 829930), (298, 629410), (452, 414965), (557, 336740), (565, 331972), (596, 314705), (745, 251764), (1114, 168370), (1130, 165986), (1490, 125882), (2228, 84185), (2260, 82993), (2785, 67348), (2980, 62941), (5570, 33674), (11140, 16837)]