209838430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{39667}}^1$

素因数の和:39720

約数の個数: 24

約数和(自身を含む): 394855272

約数和(自身を除く): 185016842

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 5290, 39667, 79334, 198335, 396670, 912341, 1824682, 4561705, 9123410, 20983843, 41967686, 104919215, 209838430]

約数ペア:

[(1, 209838430), (2, 104919215), (5, 41967686), (10, 20983843), (23, 9123410), (46, 4561705), (115, 1824682), (230, 912341), (529, 396670), (1058, 198335), (2645, 79334), (5290, 39667)]