208810710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257791}}^1$

素因数の和:257810

約数の個数: 40

約数和(自身を含む): 561470976

約数和(自身を除く): 352660266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 257791, 515582, 773373, 1288955, 1546746, 2320119, 2577910, 3866865, 4640238, 6960357, 7733730, 11600595, 13920714, 20881071, 23201190, 34801785, 41762142, 69603570, 104405355, 208810710]

約数ペア:

[(1, 208810710), (2, 104405355), (3, 69603570), (5, 41762142), (6, 34801785), (9, 23201190), (10, 20881071), (15, 13920714), (18, 11600595), (27, 7733730), (30, 6960357), (45, 4640238), (54, 3866865), (81, 2577910), (90, 2320119), (135, 1546746), (162, 1288955), (270, 773373), (405, 515582), (810, 257791)]