78218980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13627}}^1$

素因数の和:13684

約数の個数: 48

約数和(自身を含む): 192318336

約数和(自身を除く): 114099356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 13627, 27254, 54508, 68135, 95389, 136270, 190778, 272540, 381556, 476945, 558707, 953890, 1117414, 1907780, 2234828, 2793535, 3910949, 5587070, 7821898, 11174140, 15643796, 19554745, 39109490, 78218980]

約数ペア:

[(1, 78218980), (2, 39109490), (4, 19554745), (5, 15643796), (7, 11174140), (10, 7821898), (14, 5587070), (20, 3910949), (28, 2793535), (35, 2234828), (41, 1907780), (70, 1117414), (82, 953890), (140, 558707), (164, 476945), (205, 381556), (287, 272540), (410, 190778), (574, 136270), (820, 95389), (1148, 68135), (1435, 54508), (2870, 27254), (5740, 13627)]