15397100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 33852000

約数和(自身を除く): 18454900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1949, 1975, 3898, 3950, 7796, 7900, 9745, 19490, 38980, 48725, 97450, 153971, 194900, 307942, 615884, 769855, 1539710, 3079420, 3849275, 7698550, 15397100]

約数ペア:

[(1, 15397100), (2, 7698550), (4, 3849275), (5, 3079420), (10, 1539710), (20, 769855), (25, 615884), (50, 307942), (79, 194900), (100, 153971), (158, 97450), (316, 48725), (395, 38980), (790, 19490), (1580, 9745), (1949, 7900), (1975, 7796), (3898, 3950)]