181738280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{30493}}^1$

素因数の和:30653

約数の個数: 32

約数和(自身を含む): 411669000

約数和(自身を除く): 229930720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 30493, 60986, 121972, 152465, 243944, 304930, 609860, 1219720, 4543457, 9086914, 18173828, 22717285, 36347656, 45434570, 90869140, 181738280]

約数ペア:

[(1, 181738280), (2, 90869140), (4, 45434570), (5, 36347656), (8, 22717285), (10, 18173828), (20, 9086914), (40, 4543457), (149, 1219720), (298, 609860), (596, 304930), (745, 243944), (1192, 152465), (1490, 121972), (2980, 60986), (5960, 30493)]