493391180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{404419}}^1$

素因数の和:404489

約数の個数: 24

約数和(自身を含む): 1053109680

約数和(自身を除く): 559718500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 404419, 808838, 1617676, 2022095, 4044190, 8088380, 24669559, 49339118, 98678236, 123347795, 246695590, 493391180]

約数ペア:

[(1, 493391180), (2, 246695590), (4, 123347795), (5, 98678236), (10, 49339118), (20, 24669559), (61, 8088380), (122, 4044190), (244, 2022095), (305, 1617676), (610, 808838), (1220, 404419)]