2019500980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2903}}^1\times {\mathrm{4969}}^1$

素因数の和:7888

約数の個数: 48

約数和(自身を含む): 4849447680

約数和(自身を除く): 2829946700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2903, 4969, 5806, 9938, 11612, 14515, 19876, 20321, 24845, 29030, 34783, 40642, 49690, 58060, 69566, 81284, 99380, 101605, 139132, 173915, 203210, 347830, 406420, 695660, 14425007, 28850014, 57700028, 72125035, 100975049, 144250070, 201950098, 288500140, 403900196, 504875245, 1009750490, 2019500980]

約数ペア:

[(1, 2019500980), (2, 1009750490), (4, 504875245), (5, 403900196), (7, 288500140), (10, 201950098), (14, 144250070), (20, 100975049), (28, 72125035), (35, 57700028), (70, 28850014), (140, 14425007), (2903, 695660), (4969, 406420), (5806, 347830), (9938, 203210), (11612, 173915), (14515, 139132), (19876, 101605), (20321, 99380), (24845, 81284), (29030, 69566), (34783, 58060), (40642, 49690)]