30571940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218371}}^1$

素因数の和:218387

約数の個数: 24

約数和(自身を含む): 73372992

約数和(自身を除く): 42801052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218371, 436742, 873484, 1091855, 1528597, 2183710, 3057194, 4367420, 6114388, 7642985, 15285970, 30571940]

約数ペア:

[(1, 30571940), (2, 15285970), (4, 7642985), (5, 6114388), (7, 4367420), (10, 3057194), (14, 2183710), (20, 1528597), (28, 1091855), (35, 873484), (70, 436742), (140, 218371)]