30419870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1109}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 59300640

約数和(自身を除く): 28880770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 1109, 2110, 2218, 2743, 5486, 5545, 11090, 13715, 14417, 27430, 28834, 72085, 144170, 233999, 467998, 1169995, 2339990, 3041987, 6083974, 15209935, 30419870]

約数ペア:

[(1, 30419870), (2, 15209935), (5, 6083974), (10, 3041987), (13, 2339990), (26, 1169995), (65, 467998), (130, 233999), (211, 144170), (422, 72085), (1055, 28834), (1109, 27430), (2110, 14417), (2218, 13715), (2743, 11090), (5486, 5545)]