29901990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2437}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 71969760

約数和(自身を除く): 42067770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 2045, 2437, 2454, 4090, 4874, 6135, 7311, 12185, 12270, 14622, 24370, 36555, 73110, 996733, 1993466, 2990199, 4983665, 5980398, 9967330, 14950995, 29901990]

約数ペア:

[(1, 29901990), (2, 14950995), (3, 9967330), (5, 5980398), (6, 4983665), (10, 2990199), (15, 1993466), (30, 996733), (409, 73110), (818, 36555), (1227, 24370), (2045, 14622), (2437, 12270), (2454, 12185), (4090, 7311), (4874, 6135)]