405655290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{500809}}^1$

素因数の和:500828

約数の個数: 40

約数和(自身を含む): 1090764180

約数和(自身を除く): 685108890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 500809, 1001618, 1502427, 2504045, 3004854, 4507281, 5008090, 7512135, 9014562, 13521843, 15024270, 22536405, 27043686, 40565529, 45072810, 67609215, 81131058, 135218430, 202827645, 405655290]

約数ペア:

[(1, 405655290), (2, 202827645), (3, 135218430), (5, 81131058), (6, 67609215), (9, 45072810), (10, 40565529), (15, 27043686), (18, 22536405), (27, 15024270), (30, 13521843), (45, 9014562), (54, 7512135), (81, 5008090), (90, 4507281), (135, 3004854), (162, 2504045), (270, 1502427), (405, 1001618), (810, 500809)]