331551140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{6277}}^1$

素因数の和:6444

約数の個数: 48

約数和(自身を含む): 738292800

約数和(自身を除く): 406741660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 6277, 10564, 12554, 13205, 25108, 26410, 31385, 52820, 62770, 119263, 125540, 238526, 477052, 596315, 872503, 1192630, 1745006, 2385260, 3490012, 4362515, 8725030, 16577557, 17450060, 33155114, 66310228, 82887785, 165775570, 331551140]

約数ペア:

[(1, 331551140), (2, 165775570), (4, 82887785), (5, 66310228), (10, 33155114), (19, 17450060), (20, 16577557), (38, 8725030), (76, 4362515), (95, 3490012), (139, 2385260), (190, 1745006), (278, 1192630), (380, 872503), (556, 596315), (695, 477052), (1390, 238526), (2641, 125540), (2780, 119263), (5282, 62770), (6277, 52820), (10564, 31385), (12554, 26410), (13205, 25108)]