30787730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 56878848

約数和(自身を除く): 26091118

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 355, 421, 515, 710, 842, 1030, 2105, 4210, 7313, 14626, 29891, 36565, 43363, 59782, 73130, 86726, 149455, 216815, 298910, 433630, 3078773, 6157546, 15393865, 30787730]

約数ペア:

[(1, 30787730), (2, 15393865), (5, 6157546), (10, 3078773), (71, 433630), (103, 298910), (142, 216815), (206, 149455), (355, 86726), (421, 73130), (515, 59782), (710, 43363), (842, 36565), (1030, 29891), (2105, 14626), (4210, 7313)]