220359080

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{36973}}^1$

素因数の和:37133

約数の個数: 32

約数和(自身を含む): 499149000

約数和(自身を除く): 278789920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 36973, 73946, 147892, 184865, 295784, 369730, 739460, 1478920, 5508977, 11017954, 22035908, 27544885, 44071816, 55089770, 110179540, 220359080]

約数ペア:

[(1, 220359080), (2, 110179540), (4, 55089770), (5, 44071816), (8, 27544885), (10, 22035908), (20, 11017954), (40, 5508977), (149, 1478920), (298, 739460), (596, 369730), (745, 295784), (1192, 184865), (1490, 147892), (2980, 73946), (5960, 36973)]