1243295420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1\times {\mathrm{1013}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 2642159520

約数和(自身を除く): 1398864100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 563, 1013, 1090, 1126, 2026, 2180, 2252, 2815, 4052, 5065, 5630, 10130, 11260, 20260, 61367, 110417, 122734, 220834, 245468, 306835, 441668, 552085, 570319, 613670, 1104170, 1140638, 1227340, 2208340, 2281276, 2851595, 5703190, 11406380, 62164771, 124329542, 248659084, 310823855, 621647710, 1243295420]

約数ペア:

[(1, 1243295420), (2, 621647710), (4, 310823855), (5, 248659084), (10, 124329542), (20, 62164771), (109, 11406380), (218, 5703190), (436, 2851595), (545, 2281276), (563, 2208340), (1013, 1227340), (1090, 1140638), (1126, 1104170), (2026, 613670), (2180, 570319), (2252, 552085), (2815, 441668), (4052, 306835), (5065, 245468), (5630, 220834), (10130, 122734), (11260, 110417), (20260, 61367)]