30709985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 40953600

約数和(自身を除く): 10243615

約数列:

[1, 5, 19, 29, 71, 95, 145, 157, 355, 551, 785, 1349, 2059, 2755, 2983, 4553, 6745, 10295, 11147, 14915, 22765, 39121, 55735, 86507, 195605, 211793, 323263, 432535, 1058965, 1616315, 6141997, 30709985]

約数ペア:

[(1, 30709985), (5, 6141997), (19, 1616315), (29, 1058965), (71, 432535), (95, 323263), (145, 211793), (157, 195605), (355, 86507), (551, 55735), (785, 39121), (1349, 22765), (2059, 14915), (2755, 11147), (2983, 10295), (4553, 6745)]