220784975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{1307}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 284646960

約数和(自身を除く): 63861985

約数列:

[1, 5, 25, 29, 145, 233, 725, 1165, 1307, 5825, 6535, 6757, 32675, 33785, 37903, 168925, 189515, 304531, 947575, 1522655, 7613275, 8831399, 44156995, 220784975]

約数ペア:

[(1, 220784975), (5, 44156995), (25, 8831399), (29, 7613275), (145, 1522655), (233, 947575), (725, 304531), (1165, 189515), (1307, 168925), (5825, 37903), (6535, 33785), (6757, 32675)]