4439690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 8467200

約数和(自身を除く): 4027510

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 199, 230, 398, 485, 970, 995, 1990, 2231, 4462, 4577, 9154, 11155, 19303, 22310, 22885, 38606, 45770, 96515, 193030, 443969, 887938, 2219845, 4439690]

約数ペア:

[(1, 4439690), (2, 2219845), (5, 887938), (10, 443969), (23, 193030), (46, 96515), (97, 45770), (115, 38606), (194, 22885), (199, 22310), (230, 19303), (398, 11155), (485, 9154), (970, 4577), (995, 4462), (1990, 2231)]