511180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 1093680

約数和(自身を除く): 582500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 419, 610, 838, 1220, 1676, 2095, 4190, 8380, 25559, 51118, 102236, 127795, 255590, 511180]

約数ペア:

[(1, 511180), (2, 255590), (4, 127795), (5, 102236), (10, 51118), (20, 25559), (61, 8380), (122, 4190), (244, 2095), (305, 1676), (419, 1220), (610, 838)]