200968790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18089}}^1$

素因数の和:18208

約数の個数: 32

約数和(自身を含む): 398558880

約数和(自身を除く): 197590090

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18089, 36178, 90445, 180890, 198979, 397958, 994895, 1826989, 1989790, 3653978, 9134945, 18269890, 20096879, 40193758, 100484395, 200968790]

約数ペア:

[(1, 200968790), (2, 100484395), (5, 40193758), (10, 20096879), (11, 18269890), (22, 9134945), (55, 3653978), (101, 1989790), (110, 1826989), (202, 994895), (505, 397958), (1010, 198979), (1111, 180890), (2222, 90445), (5555, 36178), (11110, 18089)]