51439290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 141675264

約数和(自身を除く): 90235974

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 397, 617, 794, 1191, 1234, 1851, 1985, 2382, 2779, 3085, 3702, 3970, 4319, 5558, 5955, 6170, 8337, 8638, 9255, 11910, 12957, 13895, 16674, 18510, 21595, 25914, 27790, 41685, 43190, 64785, 83370, 129570, 244949, 489898, 734847, 1224745, 1469694, 1714643, 2449490, 3429286, 3674235, 5143929, 7348470, 8573215, 10287858, 17146430, 25719645, 51439290]

約数ペア:

[(1, 51439290), (2, 25719645), (3, 17146430), (5, 10287858), (6, 8573215), (7, 7348470), (10, 5143929), (14, 3674235), (15, 3429286), (21, 2449490), (30, 1714643), (35, 1469694), (42, 1224745), (70, 734847), (105, 489898), (210, 244949), (397, 129570), (617, 83370), (794, 64785), (1191, 43190), (1234, 41685), (1851, 27790), (1985, 25914), (2382, 21595), (2779, 18510), (3085, 16674), (3702, 13895), (3970, 12957), (4319, 11910), (5558, 9255), (5955, 8638), (6170, 8337)]