219973340

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{7477}}^1$

素因数の和:8957

約数の個数: 24

約数和(自身を含む): 462319872

約数和(自身を除く): 242346532

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 5884, 7355, 7477, 14710, 14954, 29420, 29908, 37385, 74770, 149540, 10998667, 21997334, 43994668, 54993335, 109986670, 219973340]

約数ペア:

[(1, 219973340), (2, 109986670), (4, 54993335), (5, 43994668), (10, 21997334), (20, 10998667), (1471, 149540), (2942, 74770), (5884, 37385), (7355, 29908), (7477, 29420), (14710, 14954)]