156695420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7129}}^1$

素因数の和:7302

約数の個数: 48

約数和(自身を含む): 378517440

約数和(自身を除く): 221822020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 7129, 10990, 14258, 21980, 28516, 35645, 49903, 71290, 99806, 142580, 199612, 249515, 499030, 998060, 1119253, 2238506, 4477012, 5596265, 7834771, 11192530, 15669542, 22385060, 31339084, 39173855, 78347710, 156695420]

約数ペア:

[(1, 156695420), (2, 78347710), (4, 39173855), (5, 31339084), (7, 22385060), (10, 15669542), (14, 11192530), (20, 7834771), (28, 5596265), (35, 4477012), (70, 2238506), (140, 1119253), (157, 998060), (314, 499030), (628, 249515), (785, 199612), (1099, 142580), (1570, 99806), (2198, 71290), (3140, 49903), (4396, 35645), (5495, 28516), (7129, 21980), (10990, 14258)]