55798020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{309989}}^1$

素因数の和:310004

約数の個数: 36

約数和(自身を含む): 169254540

約数和(自身を除く): 113456520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 309989, 619978, 929967, 1239956, 1549945, 1859934, 2789901, 3099890, 3719868, 4649835, 5579802, 6199780, 9299670, 11159604, 13949505, 18599340, 27899010, 55798020]

約数ペア:

[(1, 55798020), (2, 27899010), (3, 18599340), (4, 13949505), (5, 11159604), (6, 9299670), (9, 6199780), (10, 5579802), (12, 4649835), (15, 3719868), (18, 3099890), (20, 2789901), (30, 1859934), (36, 1549945), (45, 1239956), (60, 929967), (90, 619978), (180, 309989)]