450160220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{252899}}^1$

素因数の和:252997

約数の個数: 24

約数和(自身を含む): 955962000

約数和(自身を除く): 505801780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 252899, 505798, 1011596, 1264495, 2528990, 5057980, 22508011, 45016022, 90032044, 112540055, 225080110, 450160220]

約数ペア:

[(1, 450160220), (2, 225080110), (4, 112540055), (5, 90032044), (10, 45016022), (20, 22508011), (89, 5057980), (178, 2528990), (356, 1264495), (445, 1011596), (890, 505798), (1780, 252899)]