84981890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41863}}^1$

素因数の和:41906

約数の個数: 32

約数和(自身を含む): 180852480

約数和(自身を除く): 95870590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 41863, 83726, 209315, 293041, 418630, 586082, 1214027, 1465205, 2428054, 2930410, 6070135, 8498189, 12140270, 16996378, 42490945, 84981890]

約数ペア:

[(1, 84981890), (2, 42490945), (5, 16996378), (7, 12140270), (10, 8498189), (14, 6070135), (29, 2930410), (35, 2428054), (58, 1465205), (70, 1214027), (145, 586082), (203, 418630), (290, 293041), (406, 209315), (1015, 83726), (2030, 41863)]