388167410

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{1489}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 708048000

約数和(自身を除く): 319880590

約数列:

[1, 2, 5, 10, 131, 199, 262, 398, 655, 995, 1310, 1489, 1990, 2978, 7445, 14890, 26069, 52138, 130345, 195059, 260690, 296311, 390118, 592622, 975295, 1481555, 1950590, 2963110, 38816741, 77633482, 194083705, 388167410]

約数ペア:

[(1, 388167410), (2, 194083705), (5, 77633482), (10, 38816741), (131, 2963110), (199, 1950590), (262, 1481555), (398, 975295), (655, 592622), (995, 390118), (1310, 296311), (1489, 260690), (1990, 195059), (2978, 130345), (7445, 52138), (14890, 26069)]