4474990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 8981280

約数和(自身を除く): 4506290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1187, 1885, 2374, 3770, 5935, 11870, 15431, 30862, 34423, 68846, 77155, 154310, 172115, 344230, 447499, 894998, 2237495, 4474990]

約数ペア:

[(1, 4474990), (2, 2237495), (5, 894998), (10, 447499), (13, 344230), (26, 172115), (29, 154310), (58, 77155), (65, 68846), (130, 34423), (145, 30862), (290, 15431), (377, 11870), (754, 5935), (1187, 3770), (1885, 2374)]