221424020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{30839}}^1$

素因数の和:31207

約数の個数: 24

約数和(自身を含む): 466300800

約数和(自身を除く): 244876780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 30839, 61678, 123356, 154195, 308390, 616780, 11071201, 22142402, 44284804, 55356005, 110712010, 221424020]

約数ペア:

[(1, 221424020), (2, 110712010), (4, 55356005), (5, 44284804), (10, 22142402), (20, 11071201), (359, 616780), (718, 308390), (1436, 154195), (1795, 123356), (3590, 61678), (7180, 30839)]