89157320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{318419}}^1$

素因数の和:318437

約数の個数: 32

約数和(自身を含む): 229262400

約数和(自身を除く): 140105080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 318419, 636838, 1273676, 1592095, 2228933, 2547352, 3184190, 4457866, 6368380, 8915732, 11144665, 12736760, 17831464, 22289330, 44578660, 89157320]

約数ペア:

[(1, 89157320), (2, 44578660), (4, 22289330), (5, 17831464), (7, 12736760), (8, 11144665), (10, 8915732), (14, 6368380), (20, 4457866), (28, 3184190), (35, 2547352), (40, 2228933), (56, 1592095), (70, 1273676), (140, 636838), (280, 318419)]