30890990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{811}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 60159456

約数和(自身を除く): 29268466

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 586, 811, 1465, 1622, 2930, 3809, 4055, 7618, 8110, 10543, 19045, 21086, 38090, 52715, 105430, 237623, 475246, 1188115, 2376230, 3089099, 6178198, 15445495, 30890990]

約数ペア:

[(1, 30890990), (2, 15445495), (5, 6178198), (10, 3089099), (13, 2376230), (26, 1188115), (65, 475246), (130, 237623), (293, 105430), (586, 52715), (811, 38090), (1465, 21086), (1622, 19045), (2930, 10543), (3809, 8110), (4055, 7618)]