385102810

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 699840000

約数和(自身を除く): 314737190

約数列:

[1, 2, 5, 10, 199, 398, 431, 449, 862, 898, 995, 1990, 2155, 2245, 4310, 4490, 85769, 89351, 171538, 178702, 193519, 387038, 428845, 446755, 857690, 893510, 967595, 1935190, 38510281, 77020562, 192551405, 385102810]

約数ペア:

[(1, 385102810), (2, 192551405), (5, 77020562), (10, 38510281), (199, 1935190), (398, 967595), (431, 893510), (449, 857690), (862, 446755), (898, 428845), (995, 387038), (1990, 193519), (2155, 178702), (2245, 171538), (4310, 89351), (4490, 85769)]