1738972280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1402397}}^1$

素因数の和:1402439

約数の個数: 32

約数和(自身を含む): 4038906240

約数和(自身を除く): 2299933960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1402397, 2804794, 5609588, 7011985, 11219176, 14023970, 28047940, 43474307, 56095880, 86948614, 173897228, 217371535, 347794456, 434743070, 869486140, 1738972280]

約数ペア:

[(1, 1738972280), (2, 869486140), (4, 434743070), (5, 347794456), (8, 217371535), (10, 173897228), (20, 86948614), (31, 56095880), (40, 43474307), (62, 28047940), (124, 14023970), (155, 11219176), (248, 7011985), (310, 5609588), (620, 2804794), (1240, 1402397)]