2698840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 6138000

約数和(自身を除く): 3439160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 619, 872, 1090, 1238, 2180, 2476, 3095, 4360, 4952, 6190, 12380, 24760, 67471, 134942, 269884, 337355, 539768, 674710, 1349420, 2698840]

約数ペア:

[(1, 2698840), (2, 1349420), (4, 674710), (5, 539768), (8, 337355), (10, 269884), (20, 134942), (40, 67471), (109, 24760), (218, 12380), (436, 6190), (545, 4952), (619, 4360), (872, 3095), (1090, 2476), (1238, 2180)]