171621220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{84961}}^1$

素因数の和:85071

約数の個数: 24

約数和(自身を含む): 363977208

約数和(自身を除く): 192355988

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 84961, 169922, 339844, 424805, 849610, 1699220, 8581061, 17162122, 34324244, 42905305, 85810610, 171621220]

約数ペア:

[(1, 171621220), (2, 85810610), (4, 42905305), (5, 34324244), (10, 17162122), (20, 8581061), (101, 1699220), (202, 849610), (404, 424805), (505, 339844), (1010, 169922), (2020, 84961)]