1689190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5487

約数の個数: 16

約数和(自身を含む): 3139200

約数和(自身を除く): 1450010

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 5449, 10898, 27245, 54490, 168919, 337838, 844595, 1689190]

約数ペア:

[(1, 1689190), (2, 844595), (5, 337838), (10, 168919), (31, 54490), (62, 27245), (155, 10898), (310, 5449)]