200907420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478351}}^1$

素因数の和:478370

約数の個数: 48

約数和(自身を含む): 642905088

約数和(自身を除く): 441997668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 478351, 956702, 1435053, 1913404, 2391755, 2870106, 3348457, 4783510, 5740212, 6696914, 7175265, 9567020, 10045371, 13393828, 14350530, 16742285, 20090742, 28701060, 33484570, 40181484, 50226855, 66969140, 100453710, 200907420]

約数ペア:

[(1, 200907420), (2, 100453710), (3, 66969140), (4, 50226855), (5, 40181484), (6, 33484570), (7, 28701060), (10, 20090742), (12, 16742285), (14, 14350530), (15, 13393828), (20, 10045371), (21, 9567020), (28, 7175265), (30, 6696914), (35, 5740212), (42, 4783510), (60, 3348457), (70, 2870106), (84, 2391755), (105, 1913404), (140, 1435053), (210, 956702), (420, 478351)]