194939900

素因数分解:

$2^2\times 5^2\times {\mathrm{787}}^1\times {\mathrm{2477}}^1$

素因数の和:3278

約数の個数: 36

約数和(自身を含む): 423728088

約数和(自身を除く): 228788188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 787, 1574, 2477, 3148, 3935, 4954, 7870, 9908, 12385, 15740, 19675, 24770, 39350, 49540, 61925, 78700, 123850, 247700, 1949399, 3898798, 7797596, 9746995, 19493990, 38987980, 48734975, 97469950, 194939900]

約数ペア:

[(1, 194939900), (2, 97469950), (4, 48734975), (5, 38987980), (10, 19493990), (20, 9746995), (25, 7797596), (50, 3898798), (100, 1949399), (787, 247700), (1574, 123850), (2477, 78700), (3148, 61925), (3935, 49540), (4954, 39350), (7870, 24770), (9908, 19675), (12385, 15740)]