201401990

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{563}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 368395776

約数和(自身を除く): 166993786

約数列:

[1, 2, 5, 10, 83, 166, 415, 431, 563, 830, 862, 1126, 2155, 2815, 4310, 5630, 35773, 46729, 71546, 93458, 178865, 233645, 242653, 357730, 467290, 485306, 1213265, 2426530, 20140199, 40280398, 100700995, 201401990]

約数ペア:

[(1, 201401990), (2, 100700995), (5, 40280398), (10, 20140199), (83, 2426530), (166, 1213265), (415, 485306), (431, 467290), (563, 357730), (830, 242653), (862, 233645), (1126, 178865), (2155, 93458), (2815, 71546), (4310, 46729), (5630, 35773)]