77318980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{10709}}^1$

素因数の和:10756

約数の個数: 36

約数和(自身を含む): 171381420

約数和(自身を除く): 94062440

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 10709, 21418, 42836, 53545, 107090, 203471, 214180, 406942, 813884, 1017355, 2034710, 3865949, 4069420, 7731898, 15463796, 19329745, 38659490, 77318980]

約数ペア:

[(1, 77318980), (2, 38659490), (4, 19329745), (5, 15463796), (10, 7731898), (19, 4069420), (20, 3865949), (38, 2034710), (76, 1017355), (95, 813884), (190, 406942), (361, 214180), (380, 203471), (722, 107090), (1444, 53545), (1805, 42836), (3610, 21418), (7220, 10709)]