161937250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{28163}}^1$

素因数の和:28203

約数の個数: 32

約数和(自身を含む): 316338048

約数和(自身を除く): 154400798

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 5750, 28163, 56326, 140815, 281630, 647749, 704075, 1295498, 1408150, 3238745, 3520375, 6477490, 7040750, 16193725, 32387450, 80968625, 161937250]

約数ペア:

[(1, 161937250), (2, 80968625), (5, 32387450), (10, 16193725), (23, 7040750), (25, 6477490), (46, 3520375), (50, 3238745), (115, 1408150), (125, 1295498), (230, 704075), (250, 647749), (575, 281630), (1150, 140815), (2875, 56326), (5750, 28163)]