196993220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317731}}^1$

素因数の和:317771

約数の個数: 24

約数和(自身を含む): 427031808

約数和(自身を除く): 230038588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 317731, 635462, 1270924, 1588655, 3177310, 6354620, 9849661, 19699322, 39398644, 49248305, 98496610, 196993220]

約数ペア:

[(1, 196993220), (2, 98496610), (4, 49248305), (5, 39398644), (10, 19699322), (20, 9849661), (31, 6354620), (62, 3177310), (124, 1588655), (155, 1270924), (310, 635462), (620, 317731)]