3871900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1294

約数の個数: 36

約数和(自身を含む): 8680000

約数和(自身を除く): 4808100

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1249, 1550, 2498, 3100, 4996, 6245, 12490, 24980, 31225, 38719, 62450, 77438, 124900, 154876, 193595, 387190, 774380, 967975, 1935950, 3871900]

約数ペア:

[(1, 3871900), (2, 1935950), (4, 967975), (5, 774380), (10, 387190), (20, 193595), (25, 154876), (31, 124900), (50, 77438), (62, 62450), (100, 38719), (124, 31225), (155, 24980), (310, 12490), (620, 6245), (775, 4996), (1249, 3100), (1550, 2498)]