204877010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{121229}}^1$

素因数の和:121262

約数の個数: 24

約数和(自身を含む): 399331620

約数和(自身を除く): 194454610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 121229, 242458, 606145, 1212290, 1575977, 3151954, 7879885, 15759770, 20487701, 40975402, 102438505, 204877010]

約数ペア:

[(1, 204877010), (2, 102438505), (5, 40975402), (10, 20487701), (13, 15759770), (26, 7879885), (65, 3151954), (130, 1575977), (169, 1212290), (338, 606145), (845, 242458), (1690, 121229)]