87768940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{626921}}^1$

素因数の和:626937

約数の個数: 24

約数和(自身を含む): 210645792

約数和(自身を除く): 122876852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 626921, 1253842, 2507684, 3134605, 4388447, 6269210, 8776894, 12538420, 17553788, 21942235, 43884470, 87768940]

約数ペア:

[(1, 87768940), (2, 43884470), (4, 21942235), (5, 17553788), (7, 12538420), (10, 8776894), (14, 6269210), (20, 4388447), (28, 3134605), (35, 2507684), (70, 1253842), (140, 626921)]