389632510

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{2039}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 712514880

約数和(自身を除く): 322882370

約数列:

[1, 2, 5, 10, 97, 194, 197, 394, 485, 970, 985, 1970, 2039, 4078, 10195, 19109, 20390, 38218, 95545, 191090, 197783, 395566, 401683, 803366, 988915, 1977830, 2008415, 4016830, 38963251, 77926502, 194816255, 389632510]

約数ペア:

[(1, 389632510), (2, 194816255), (5, 77926502), (10, 38963251), (97, 4016830), (194, 2008415), (197, 1977830), (394, 988915), (485, 803366), (970, 401683), (985, 395566), (1970, 197783), (2039, 191090), (4078, 95545), (10195, 38218), (19109, 20390)]