678339080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{204319}}^1$

素因数の和:204413

約数の個数: 32

約数和(自身を含む): 1544659200

約数和(自身を除く): 866320120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 204319, 408638, 817276, 1021595, 1634552, 2043190, 4086380, 8172760, 16958477, 33916954, 67833908, 84792385, 135667816, 169584770, 339169540, 678339080]

約数ペア:

[(1, 678339080), (2, 339169540), (4, 169584770), (5, 135667816), (8, 84792385), (10, 67833908), (20, 33916954), (40, 16958477), (83, 8172760), (166, 4086380), (332, 2043190), (415, 1634552), (664, 1021595), (830, 817276), (1660, 408638), (3320, 204319)]