1230549140

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{154981}}^1$

素因数の和:155387

約数の個数: 24

約数和(自身を含む): 2590679112

約数和(自身を除く): 1360129972

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 154981, 309962, 619924, 774905, 1549810, 3099620, 61527457, 123054914, 246109828, 307637285, 615274570, 1230549140]

約数ペア:

[(1, 1230549140), (2, 615274570), (4, 307637285), (5, 246109828), (10, 123054914), (20, 61527457), (397, 3099620), (794, 1549810), (1588, 774905), (1985, 619924), (3970, 309962), (7940, 154981)]