201947620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206069}}^1$

素因数の和:206092

約数の個数: 36

約数和(自身を含む): 493331580

約数和(自身を除く): 291383960

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206069, 412138, 824276, 1030345, 1442483, 2060690, 2884966, 4121380, 5769932, 7212415, 10097381, 14424830, 20194762, 28849660, 40389524, 50486905, 100973810, 201947620]

約数ペア:

[(1, 201947620), (2, 100973810), (4, 50486905), (5, 40389524), (7, 28849660), (10, 20194762), (14, 14424830), (20, 10097381), (28, 7212415), (35, 5769932), (49, 4121380), (70, 2884966), (98, 2060690), (140, 1442483), (196, 1030345), (245, 824276), (490, 412138), (980, 206069)]