2245750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 4533984

約数和(自身を除く): 2288234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 691, 1382, 1625, 3250, 3455, 6910, 8983, 17275, 17966, 34550, 44915, 86375, 89830, 172750, 224575, 449150, 1122875, 2245750]

約数ペア:

[(1, 2245750), (2, 1122875), (5, 449150), (10, 224575), (13, 172750), (25, 89830), (26, 86375), (50, 44915), (65, 34550), (125, 17966), (130, 17275), (250, 8983), (325, 6910), (650, 3455), (691, 3250), (1382, 1625)]