287960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 678240

約数和(自身を除く): 390280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 313, 460, 626, 920, 1252, 1565, 2504, 3130, 6260, 7199, 12520, 14398, 28796, 35995, 57592, 71990, 143980, 287960]

約数ペア:

[(1, 287960), (2, 143980), (4, 71990), (5, 57592), (8, 35995), (10, 28796), (20, 14398), (23, 12520), (40, 7199), (46, 6260), (92, 3130), (115, 2504), (184, 1565), (230, 1252), (313, 920), (460, 626)]