2005490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 3919104

約数和(自身を除く): 1913614

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 251, 470, 502, 799, 1255, 1598, 2510, 3995, 4267, 7990, 8534, 11797, 21335, 23594, 42670, 58985, 117970, 200549, 401098, 1002745, 2005490]

約数ペア:

[(1, 2005490), (2, 1002745), (5, 401098), (10, 200549), (17, 117970), (34, 58985), (47, 42670), (85, 23594), (94, 21335), (170, 11797), (235, 8534), (251, 7990), (470, 4267), (502, 3995), (799, 2510), (1255, 1598)]