220128020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{2243}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 529296768

約数和(自身を除く): 309168748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 701, 1402, 2243, 2804, 3505, 4486, 4907, 7010, 8972, 9814, 11215, 14020, 15701, 19628, 22430, 24535, 31402, 44860, 49070, 62804, 78505, 98140, 157010, 314020, 1572343, 3144686, 6289372, 7861715, 11006401, 15723430, 22012802, 31446860, 44025604, 55032005, 110064010, 220128020]

約数ペア:

[(1, 220128020), (2, 110064010), (4, 55032005), (5, 44025604), (7, 31446860), (10, 22012802), (14, 15723430), (20, 11006401), (28, 7861715), (35, 6289372), (70, 3144686), (140, 1572343), (701, 314020), (1402, 157010), (2243, 98140), (2804, 78505), (3505, 62804), (4486, 49070), (4907, 44860), (7010, 31402), (8972, 24535), (9814, 22430), (11215, 19628), (14020, 15701)]