3934900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 54

約数和(自身を含む): 9094470

約数和(自身を除く): 5159570

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 361, 380, 436, 475, 545, 722, 950, 1090, 1444, 1805, 1900, 2071, 2180, 2725, 3610, 4142, 5450, 7220, 8284, 9025, 10355, 10900, 18050, 20710, 36100, 39349, 41420, 51775, 78698, 103550, 157396, 196745, 207100, 393490, 786980, 983725, 1967450, 3934900]

約数ペア:

[(1, 3934900), (2, 1967450), (4, 983725), (5, 786980), (10, 393490), (19, 207100), (20, 196745), (25, 157396), (38, 103550), (50, 78698), (76, 51775), (95, 41420), (100, 39349), (109, 36100), (190, 20710), (218, 18050), (361, 10900), (380, 10355), (436, 9025), (475, 8284), (545, 7220), (722, 5450), (950, 4142), (1090, 3610), (1444, 2725), (1805, 2180), (1900, 2071)]