340808540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:3042

約数の個数: 48

約数和(自身を含む): 737869440

約数和(自身を除く): 397060900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 2851, 5702, 5977, 11404, 11954, 14255, 23908, 28510, 29885, 57020, 59770, 119540, 122593, 245186, 396289, 490372, 612965, 792578, 1225930, 1585156, 1981445, 2451860, 3962890, 7925780, 17040427, 34080854, 68161708, 85202135, 170404270, 340808540]

約数ペア:

[(1, 340808540), (2, 170404270), (4, 85202135), (5, 68161708), (10, 34080854), (20, 17040427), (43, 7925780), (86, 3962890), (139, 2451860), (172, 1981445), (215, 1585156), (278, 1225930), (430, 792578), (556, 612965), (695, 490372), (860, 396289), (1390, 245186), (2780, 122593), (2851, 119540), (5702, 59770), (5977, 57020), (11404, 29885), (11954, 28510), (14255, 23908)]