290458940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{1033}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 647250912

約数和(自身を除く): 356791972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 827, 1033, 1654, 2066, 3308, 4132, 4135, 5165, 8270, 10330, 14059, 16540, 17561, 20660, 28118, 35122, 56236, 70244, 70295, 87805, 140590, 175610, 281180, 351220, 854291, 1708582, 3417164, 4271455, 8542910, 14522947, 17085820, 29045894, 58091788, 72614735, 145229470, 290458940]

約数ペア:

[(1, 290458940), (2, 145229470), (4, 72614735), (5, 58091788), (10, 29045894), (17, 17085820), (20, 14522947), (34, 8542910), (68, 4271455), (85, 3417164), (170, 1708582), (340, 854291), (827, 351220), (1033, 281180), (1654, 175610), (2066, 140590), (3308, 87805), (4132, 70295), (4135, 70244), (5165, 56236), (8270, 35122), (10330, 28118), (14059, 20660), (16540, 17561)]