2198870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 4250880

約数和(自身を除く): 2052010

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 163, 190, 326, 355, 710, 815, 1349, 1630, 2698, 3097, 6194, 6745, 11573, 13490, 15485, 23146, 30970, 57865, 115730, 219887, 439774, 1099435, 2198870]

約数ペア:

[(1, 2198870), (2, 1099435), (5, 439774), (10, 219887), (19, 115730), (38, 57865), (71, 30970), (95, 23146), (142, 15485), (163, 13490), (190, 11573), (326, 6745), (355, 6194), (710, 3097), (815, 2698), (1349, 1630)]