254202860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{2063}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 548214912

約数和(自身を除く): 294012052

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 202, 244, 305, 404, 505, 610, 1010, 1220, 2020, 2063, 4126, 6161, 8252, 10315, 12322, 20630, 24644, 30805, 41260, 61610, 123220, 125843, 208363, 251686, 416726, 503372, 629215, 833452, 1041815, 1258430, 2083630, 2516860, 4167260, 12710143, 25420286, 50840572, 63550715, 127101430, 254202860]

約数ペア:

[(1, 254202860), (2, 127101430), (4, 63550715), (5, 50840572), (10, 25420286), (20, 12710143), (61, 4167260), (101, 2516860), (122, 2083630), (202, 1258430), (244, 1041815), (305, 833452), (404, 629215), (505, 503372), (610, 416726), (1010, 251686), (1220, 208363), (2020, 125843), (2063, 123220), (4126, 61610), (6161, 41260), (8252, 30805), (10315, 24644), (12322, 20630)]