494487046220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{405317251}}^1$

素因数の和:405317321

約数の個数: 24

約数和(自身を含む): 1055446124208

約数和(自身を除く): 560959077988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 405317251, 810634502, 1621269004, 2026586255, 4053172510, 8106345020, 24724352311, 49448704622, 98897409244, 123621761555, 247243523110, 494487046220]

約数ペア:

[(1, 494487046220), (2, 247243523110), (4, 123621761555), (5, 98897409244), (10, 49448704622), (20, 24724352311), (61, 8106345020), (122, 4053172510), (244, 2026586255), (305, 1621269004), (610, 810634502), (1220, 405317251)]