220990970

素因数分解:

$2^1\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{7901}}^1$

素因数の和:10705

約数の個数: 16

約数和(自身を含む): 397976328

約数和(自身を除く): 176985358

約数列:

[1, 2, 5, 10, 2797, 5594, 7901, 13985, 15802, 27970, 39505, 79010, 22099097, 44198194, 110495485, 220990970]

約数ペア:

[(1, 220990970), (2, 110495485), (5, 44198194), (10, 22099097), (2797, 79010), (5594, 39505), (7901, 27970), (13985, 15802)]