488379940

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{90107}}^1$

素因数の和:90387

約数の個数: 24

約数和(自身を含む): 1029393792

約数和(自身を除く): 541013852

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 90107, 180214, 360428, 450535, 901070, 1802140, 24418997, 48837994, 97675988, 122094985, 244189970, 488379940]

約数ペア:

[(1, 488379940), (2, 244189970), (4, 122094985), (5, 97675988), (10, 48837994), (20, 24418997), (271, 1802140), (542, 901070), (1084, 450535), (1355, 360428), (2710, 180214), (5420, 90107)]