78559870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1321}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 149438880

約数和(自身を除く): 70879010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 626, 1321, 1565, 2642, 3130, 5947, 6605, 11894, 13210, 25099, 29735, 50198, 59470, 125495, 250990, 413473, 826946, 2067365, 4134730, 7855987, 15711974, 39279935, 78559870]

約数ペア:

[(1, 78559870), (2, 39279935), (5, 15711974), (10, 7855987), (19, 4134730), (38, 2067365), (95, 826946), (190, 413473), (313, 250990), (626, 125495), (1321, 59470), (1565, 50198), (2642, 29735), (3130, 25099), (5947, 13210), (6605, 11894)]