246875120

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^2$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 582020040

約数和(自身を除く): 335144920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 149, 278, 298, 556, 596, 695, 745, 1112, 1192, 1390, 1490, 2224, 2384, 2780, 2980, 5560, 5960, 11120, 11920, 20711, 22201, 41422, 44402, 82844, 88804, 103555, 111005, 165688, 177608, 207110, 222010, 331376, 355216, 414220, 444020, 828440, 888040, 1656880, 1776080, 3085939, 6171878, 12343756, 15429695, 24687512, 30859390, 49375024, 61718780, 123437560, 246875120]

約数ペア:

[(1, 246875120), (2, 123437560), (4, 61718780), (5, 49375024), (8, 30859390), (10, 24687512), (16, 15429695), (20, 12343756), (40, 6171878), (80, 3085939), (139, 1776080), (149, 1656880), (278, 888040), (298, 828440), (556, 444020), (596, 414220), (695, 355216), (745, 331376), (1112, 222010), (1192, 207110), (1390, 177608), (1490, 165688), (2224, 111005), (2384, 103555), (2780, 88804), (2980, 82844), (5560, 44402), (5960, 41422), (11120, 22201), (11920, 20711)]