2019916850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{8731}}^1$

素因数の和:9411

約数の個数: 48

約数和(自身を含む): 4300754496

約数和(自身を除く): 2280837646

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 661, 1322, 3305, 4627, 6610, 8731, 9254, 16525, 17462, 23135, 33050, 43655, 46270, 61117, 87310, 115675, 122234, 218275, 231350, 305585, 436550, 611170, 1527925, 3055850, 5771191, 11542382, 28855955, 40398337, 57711910, 80796674, 144279775, 201991685, 288559550, 403983370, 1009958425, 2019916850]

約数ペア:

[(1, 2019916850), (2, 1009958425), (5, 403983370), (7, 288559550), (10, 201991685), (14, 144279775), (25, 80796674), (35, 57711910), (50, 40398337), (70, 28855955), (175, 11542382), (350, 5771191), (661, 3055850), (1322, 1527925), (3305, 611170), (4627, 436550), (6610, 305585), (8731, 231350), (9254, 218275), (16525, 122234), (17462, 115675), (23135, 87310), (33050, 61117), (43655, 46270)]