478492780

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{21191}}^1$

素因数の和:22329

約数の個数: 24

約数和(自身を含む): 1005772320

約数和(自身を除く): 527279540

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 11290, 21191, 22580, 42382, 84764, 105955, 211910, 423820, 23924639, 47849278, 95698556, 119623195, 239246390, 478492780]

約数ペア:

[(1, 478492780), (2, 239246390), (4, 119623195), (5, 95698556), (10, 47849278), (20, 23924639), (1129, 423820), (2258, 211910), (4516, 105955), (5645, 84764), (11290, 42382), (21191, 22580)]