9867100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1342

約数の個数: 36

約数和(自身を含む): 21700000

約数和(自身を除く): 11832900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1249, 1580, 1975, 2498, 3950, 4996, 6245, 7900, 12490, 24980, 31225, 62450, 98671, 124900, 197342, 394684, 493355, 986710, 1973420, 2466775, 4933550, 9867100]

約数ペア:

[(1, 9867100), (2, 4933550), (4, 2466775), (5, 1973420), (10, 986710), (20, 493355), (25, 394684), (50, 197342), (79, 124900), (100, 98671), (158, 62450), (316, 31225), (395, 24980), (790, 12490), (1249, 7900), (1580, 6245), (1975, 4996), (2498, 3950)]