8913180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 25149600

約数和(自身を除く): 16236420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 997, 1490, 1788, 1994, 2235, 2980, 2991, 3988, 4470, 4985, 5982, 8940, 9970, 11964, 14955, 19940, 29910, 59820, 148553, 297106, 445659, 594212, 742765, 891318, 1485530, 1782636, 2228295, 2971060, 4456590, 8913180]

約数ペア:

[(1, 8913180), (2, 4456590), (3, 2971060), (4, 2228295), (5, 1782636), (6, 1485530), (10, 891318), (12, 742765), (15, 594212), (20, 445659), (30, 297106), (60, 148553), (149, 59820), (298, 29910), (447, 19940), (596, 14955), (745, 11964), (894, 9970), (997, 8940), (1490, 5982), (1788, 4985), (1994, 4470), (2235, 3988), (2980, 2991)]