200780890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{743}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 368654976

約数和(自身を除く): 167874086

約数列:

[1, 2, 5, 10, 61, 122, 305, 443, 610, 743, 886, 1486, 2215, 3715, 4430, 7430, 27023, 45323, 54046, 90646, 135115, 226615, 270230, 329149, 453230, 658298, 1645745, 3291490, 20078089, 40156178, 100390445, 200780890]

約数ペア:

[(1, 200780890), (2, 100390445), (5, 40156178), (10, 20078089), (61, 3291490), (122, 1645745), (305, 658298), (443, 453230), (610, 329149), (743, 270230), (886, 226615), (1486, 135115), (2215, 90646), (3715, 54046), (4430, 45323), (7430, 27023)]