159717620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 345779280

約数和(自身を除く): 186061660

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 890, 1060, 1693, 1780, 3386, 4717, 6772, 8465, 9434, 16930, 18868, 23585, 33860, 47170, 89729, 94340, 150677, 179458, 301354, 358916, 448645, 602708, 753385, 897290, 1506770, 1794580, 3013540, 7985881, 15971762, 31943524, 39929405, 79858810, 159717620]

約数ペア:

[(1, 159717620), (2, 79858810), (4, 39929405), (5, 31943524), (10, 15971762), (20, 7985881), (53, 3013540), (89, 1794580), (106, 1506770), (178, 897290), (212, 753385), (265, 602708), (356, 448645), (445, 358916), (530, 301354), (890, 179458), (1060, 150677), (1693, 94340), (1780, 89729), (3386, 47170), (4717, 33860), (6772, 23585), (8465, 18868), (9434, 16930)]