128398130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{3911}}^1$

素因数の和:3999

約数の個数: 48

約数和(自身を含む): 272932416

約数和(自身を除く): 144534286

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 670, 938, 2345, 3283, 3911, 4690, 6566, 7822, 16415, 19555, 27377, 32830, 39110, 54754, 136885, 191639, 262037, 273770, 383278, 524074, 958195, 1310185, 1834259, 1916390, 2620370, 3668518, 9171295, 12839813, 18342590, 25679626, 64199065, 128398130]

約数ペア:

[(1, 128398130), (2, 64199065), (5, 25679626), (7, 18342590), (10, 12839813), (14, 9171295), (35, 3668518), (49, 2620370), (67, 1916390), (70, 1834259), (98, 1310185), (134, 958195), (245, 524074), (335, 383278), (469, 273770), (490, 262037), (670, 191639), (938, 136885), (2345, 54754), (3283, 39110), (3911, 32830), (4690, 27377), (6566, 19555), (7822, 16415)]