492040280

素因数分解:

$2^3\times 5^1\times {\mathrm{12301007}}^1$

素因数の和:12301018

約数の個数: 16

約数和(自身を含む): 1107090720

約数和(自身を除く): 615050440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12301007, 24602014, 49204028, 61505035, 98408056, 123010070, 246020140, 492040280]

約数ペア:

[(1, 492040280), (2, 246020140), (4, 123010070), (5, 98408056), (8, 61505035), (10, 49204028), (20, 24602014), (40, 12301007)]