7894740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18797}}^1$

素因数の和:18816

約数の個数: 48

約数和(自身を含む): 25264512

約数和(自身を除く): 17369772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 18797, 37594, 56391, 75188, 93985, 112782, 131579, 187970, 225564, 263158, 281955, 375940, 394737, 526316, 563910, 657895, 789474, 1127820, 1315790, 1578948, 1973685, 2631580, 3947370, 7894740]

約数ペア:

[(1, 7894740), (2, 3947370), (3, 2631580), (4, 1973685), (5, 1578948), (6, 1315790), (7, 1127820), (10, 789474), (12, 657895), (14, 563910), (15, 526316), (20, 394737), (21, 375940), (28, 281955), (30, 263158), (35, 225564), (42, 187970), (60, 131579), (70, 112782), (84, 93985), (105, 75188), (140, 56391), (210, 37594), (420, 18797)]