278329195

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 354421440

約数和(自身を除く): 76092245

約数列:

[1, 5, 19, 95, 271, 361, 569, 1355, 1805, 2845, 5149, 10811, 25745, 54055, 97831, 154199, 205409, 489155, 770995, 1027045, 2929781, 14648905, 55665839, 278329195]

約数ペア:

[(1, 278329195), (5, 55665839), (19, 14648905), (95, 2929781), (271, 1027045), (361, 770995), (569, 489155), (1355, 205409), (1805, 154199), (2845, 97831), (5149, 54055), (10811, 25745)]