221922680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{792581}}^1$

素因数の和:792599

約数の個数: 32

約数和(自身を含む): 570659040

約数和(自身を除く): 348736360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 792581, 1585162, 3170324, 3962905, 5548067, 6340648, 7925810, 11096134, 15851620, 22192268, 27740335, 31703240, 44384536, 55480670, 110961340, 221922680]

約数ペア:

[(1, 221922680), (2, 110961340), (4, 55480670), (5, 44384536), (7, 31703240), (8, 27740335), (10, 22192268), (14, 15851620), (20, 11096134), (28, 7925810), (35, 6340648), (40, 5548067), (56, 3962905), (70, 3170324), (140, 1585162), (280, 792581)]