197821490

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{100417}}^1$

素因数の和:100621

約数の個数: 16

約数和(自身を含む): 357889752

約数和(自身を除く): 160068262

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 100417, 200834, 502085, 1004170, 19782149, 39564298, 98910745, 197821490]

約数ペア:

[(1, 197821490), (2, 98910745), (5, 39564298), (10, 19782149), (197, 1004170), (394, 502085), (985, 200834), (1970, 100417)]