1349420

素因数分解:

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

素因数の和:737

約数の個数: 24

約数和(自身を含む): 2864400

約数和(自身を除く): 1514980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 619, 1090, 1238, 2180, 2476, 3095, 6190, 12380, 67471, 134942, 269884, 337355, 674710, 1349420]

約数ペア:

[(1, 1349420), (2, 674710), (4, 337355), (5, 269884), (10, 134942), (20, 67471), (109, 12380), (218, 6190), (436, 3095), (545, 2476), (619, 2180), (1090, 1238)]