2807113340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{3929}}^1$

素因数の和:4334

約数の個数: 48

約数和(自身を含む): 5961967200

約数和(自身を除く): 3154853860

約数列:

[1, 2, 4, 5, 10, 20, 139, 257, 278, 514, 556, 695, 1028, 1285, 1390, 2570, 2780, 3929, 5140, 7858, 15716, 19645, 35723, 39290, 71446, 78580, 142892, 178615, 357230, 546131, 714460, 1009753, 1092262, 2019506, 2184524, 2730655, 4039012, 5048765, 5461310, 10097530, 10922620, 20195060, 140355667, 280711334, 561422668, 701778335, 1403556670, 2807113340]

約数ペア:

[(1, 2807113340), (2, 1403556670), (4, 701778335), (5, 561422668), (10, 280711334), (20, 140355667), (139, 20195060), (257, 10922620), (278, 10097530), (514, 5461310), (556, 5048765), (695, 4039012), (1028, 2730655), (1285, 2184524), (1390, 2019506), (2570, 1092262), (2780, 1009753), (3929, 714460), (5140, 546131), (7858, 357230), (15716, 178615), (19645, 142892), (35723, 78580), (39290, 71446)]