540460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 1156176

約数和(自身を除く): 615716

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 443, 610, 886, 1220, 1772, 2215, 4430, 8860, 27023, 54046, 108092, 135115, 270230, 540460]

約数ペア:

[(1, 540460), (2, 270230), (4, 135115), (5, 108092), (10, 54046), (20, 27023), (61, 8860), (122, 4430), (244, 2215), (305, 1772), (443, 1220), (610, 886)]