205700310

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{253951}}^1$

素因数の和:253970

約数の個数: 40

約数和(自身を含む): 553107456

約数和(自身を除く): 347407146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 253951, 507902, 761853, 1269755, 1523706, 2285559, 2539510, 3809265, 4571118, 6856677, 7618530, 11427795, 13713354, 20570031, 22855590, 34283385, 41140062, 68566770, 102850155, 205700310]

約数ペア:

[(1, 205700310), (2, 102850155), (3, 68566770), (5, 41140062), (6, 34283385), (9, 22855590), (10, 20570031), (15, 13713354), (18, 11427795), (27, 7618530), (30, 6856677), (45, 4571118), (54, 3809265), (81, 2539510), (90, 2285559), (135, 1523706), (162, 1269755), (270, 761853), (405, 507902), (810, 253951)]