821946340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{4831}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 1772918784

約数和(自身を除く): 950972444

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 181, 188, 235, 362, 470, 724, 905, 940, 1810, 3620, 4831, 8507, 9662, 17014, 19324, 24155, 34028, 42535, 48310, 85070, 96620, 170140, 227057, 454114, 874411, 908228, 1135285, 1748822, 2270570, 3497644, 4372055, 4541140, 8744110, 17488220, 41097317, 82194634, 164389268, 205486585, 410973170, 821946340]

約数ペア:

[(1, 821946340), (2, 410973170), (4, 205486585), (5, 164389268), (10, 82194634), (20, 41097317), (47, 17488220), (94, 8744110), (181, 4541140), (188, 4372055), (235, 3497644), (362, 2270570), (470, 1748822), (724, 1135285), (905, 908228), (940, 874411), (1810, 454114), (3620, 227057), (4831, 170140), (8507, 96620), (9662, 85070), (17014, 48310), (19324, 42535), (24155, 34028)]