3988100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2132

約数の個数: 36

約数和(自身を含む): 9114000

約数和(自身を除く): 5125900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 2099, 4198, 8396, 10495, 20990, 39881, 41980, 52475, 79762, 104950, 159524, 199405, 209900, 398810, 797620, 997025, 1994050, 3988100]

約数ペア:

[(1, 3988100), (2, 1994050), (4, 997025), (5, 797620), (10, 398810), (19, 209900), (20, 199405), (25, 159524), (38, 104950), (50, 79762), (76, 52475), (95, 41980), (100, 39881), (190, 20990), (380, 10495), (475, 8396), (950, 4198), (1900, 2099)]