159722780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5407}}^1$

素因数の和:5634

約数の個数: 48

約数和(自身を含む): 385222656

約数和(自身を除く): 225499876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5407, 5908, 7385, 10814, 14770, 21628, 27035, 29540, 37849, 54070, 75698, 108140, 151396, 189245, 378490, 756980, 1140877, 2281754, 4563508, 5704385, 7986139, 11408770, 15972278, 22817540, 31944556, 39930695, 79861390, 159722780]

約数ペア:

[(1, 159722780), (2, 79861390), (4, 39930695), (5, 31944556), (7, 22817540), (10, 15972278), (14, 11408770), (20, 7986139), (28, 5704385), (35, 4563508), (70, 2281754), (140, 1140877), (211, 756980), (422, 378490), (844, 189245), (1055, 151396), (1477, 108140), (2110, 75698), (2954, 54070), (4220, 37849), (5407, 29540), (5908, 27035), (7385, 21628), (10814, 14770)]