320499620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{3313}}^1$

素因数の和:4020

約数の個数: 48

約数和(自身を含む): 770544768

約数和(自身を除く): 450045148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 2764, 3313, 3455, 4837, 6626, 6910, 9674, 13252, 13820, 16565, 19348, 23191, 24185, 33130, 46382, 48370, 66260, 92764, 96740, 115955, 231910, 463820, 2289283, 4578566, 9157132, 11446415, 16024981, 22892830, 32049962, 45785660, 64099924, 80124905, 160249810, 320499620]

約数ペア:

[(1, 320499620), (2, 160249810), (4, 80124905), (5, 64099924), (7, 45785660), (10, 32049962), (14, 22892830), (20, 16024981), (28, 11446415), (35, 9157132), (70, 4578566), (140, 2289283), (691, 463820), (1382, 231910), (2764, 115955), (3313, 96740), (3455, 92764), (4837, 66260), (6626, 48370), (6910, 46382), (9674, 33130), (13252, 24185), (13820, 23191), (16565, 19348)]