31393740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74747}}^1$

素因数の和:74766

約数の個数: 48

約数和(自身を含む): 100461312

約数和(自身を除く): 69067572

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, 74747, 149494, 224241, 298988, 373735, 448482, 523229, 747470, 896964, 1046458, 1121205, 1494940, 1569687, 2092916, 2242410, 2616145, 3139374, 4484820, 5232290, 6278748, 7848435, 10464580, 15696870, 31393740]

約数ペア:

[(1, 31393740), (2, 15696870), (3, 10464580), (4, 7848435), (5, 6278748), (6, 5232290), (7, 4484820), (10, 3139374), (12, 2616145), (14, 2242410), (15, 2092916), (20, 1569687), (21, 1494940), (28, 1121205), (30, 1046458), (35, 896964), (42, 747470), (60, 523229), (70, 448482), (84, 373735), (105, 298988), (140, 224241), (210, 149494), (420, 74747)]