64745660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66067}}^1$

素因数の和:66090

約数の個数: 36

約数和(自身を含む): 158166792

約数和(自身を除く): 93421132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66067, 132134, 264268, 330335, 462469, 660670, 924938, 1321340, 1849876, 2312345, 3237283, 4624690, 6474566, 9249380, 12949132, 16186415, 32372830, 64745660]

約数ペア:

[(1, 64745660), (2, 32372830), (4, 16186415), (5, 12949132), (7, 9249380), (10, 6474566), (14, 4624690), (20, 3237283), (28, 2312345), (35, 1849876), (49, 1321340), (70, 924938), (98, 660670), (140, 462469), (196, 330335), (245, 264268), (490, 132134), (980, 66067)]