257551070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{78283}}^1$

素因数の和:78344

約数の個数: 32

約数和(自身を含む): 541099008

約数和(自身を除く): 283547938

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 78283, 156566, 391415, 547981, 782830, 1095962, 2739905, 3679301, 5479810, 7358602, 18396505, 25755107, 36793010, 51510214, 128775535, 257551070]

約数ペア:

[(1, 257551070), (2, 128775535), (5, 51510214), (7, 36793010), (10, 25755107), (14, 18396505), (35, 7358602), (47, 5479810), (70, 3679301), (94, 2739905), (235, 1095962), (329, 782830), (470, 547981), (658, 391415), (1645, 156566), (3290, 78283)]