78519140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11933}}^1$

素因数の和:11996

約数の個数: 48

約数和(自身を含む): 192471552

約数和(自身を除く): 113952412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 11933, 23866, 47732, 59665, 83531, 119330, 167062, 238660, 334124, 417655, 560851, 835310, 1121702, 1670620, 2243404, 2804255, 3925957, 5608510, 7851914, 11217020, 15703828, 19629785, 39259570, 78519140]

約数ペア:

[(1, 78519140), (2, 39259570), (4, 19629785), (5, 15703828), (7, 11217020), (10, 7851914), (14, 5608510), (20, 3925957), (28, 2804255), (35, 2243404), (47, 1670620), (70, 1121702), (94, 835310), (140, 560851), (188, 417655), (235, 334124), (329, 238660), (470, 167062), (658, 119330), (940, 83531), (1316, 59665), (1645, 47732), (3290, 23866), (6580, 11933)]