1728340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 3669120

約数和(自身を除く): 1940780

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 839, 1030, 1678, 2060, 3356, 4195, 8390, 16780, 86417, 172834, 345668, 432085, 864170, 1728340]

約数ペア:

[(1, 1728340), (2, 864170), (4, 432085), (5, 345668), (10, 172834), (20, 86417), (103, 16780), (206, 8390), (412, 4195), (515, 3356), (839, 2060), (1030, 1678)]