30531590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 57196800

約数和(自身を除く): 26665210

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 661, 745, 1322, 1490, 3305, 4619, 6610, 9238, 20491, 23095, 40982, 46190, 98489, 102455, 196978, 204910, 492445, 984890, 3053159, 6106318, 15265795, 30531590]

約数ペア:

[(1, 30531590), (2, 15265795), (5, 6106318), (10, 3053159), (31, 984890), (62, 492445), (149, 204910), (155, 196978), (298, 102455), (310, 98489), (661, 46190), (745, 40982), (1322, 23095), (1490, 20491), (3305, 9238), (4619, 6610)]