78834980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11981}}^1$

素因数の和:12044

約数の個数: 48

約数和(自身を含む): 193245696

約数和(自身を除く): 114410716

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, 11981, 23962, 47924, 59905, 83867, 119810, 167734, 239620, 335468, 419335, 563107, 838670, 1126214, 1677340, 2252428, 2815535, 3941749, 5631070, 7883498, 11262140, 15766996, 19708745, 39417490, 78834980]

約数ペア:

[(1, 78834980), (2, 39417490), (4, 19708745), (5, 15766996), (7, 11262140), (10, 7883498), (14, 5631070), (20, 3941749), (28, 2815535), (35, 2252428), (47, 1677340), (70, 1126214), (94, 838670), (140, 563107), (188, 419335), (235, 335468), (329, 239620), (470, 167734), (658, 119810), (940, 83867), (1316, 59905), (1645, 47924), (3290, 23962), (6580, 11981)]