2012503780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{142327}}^1$

素因数の和:142444

約数の個数: 48

約数和(自身を含む): 4877865216

約数和(自身を除く): 2865361436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 142327, 284654, 569308, 711635, 996289, 1423270, 1992578, 2846540, 3985156, 4981445, 9962890, 14375027, 19925780, 28750054, 57500108, 71875135, 100625189, 143750270, 201250378, 287500540, 402500756, 503125945, 1006251890, 2012503780]

約数ペア:

[(1, 2012503780), (2, 1006251890), (4, 503125945), (5, 402500756), (7, 287500540), (10, 201250378), (14, 143750270), (20, 100625189), (28, 71875135), (35, 57500108), (70, 28750054), (101, 19925780), (140, 14375027), (202, 9962890), (404, 4981445), (505, 3985156), (707, 2846540), (1010, 1992578), (1414, 1423270), (2020, 996289), (2828, 711635), (3535, 569308), (7070, 284654), (14140, 142327)]