85116220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8563}}^1$

素因数の和:8650

約数の個数: 48

約数和(自身を含む): 207180288

約数和(自身を除く): 122064068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8563, 9940, 17126, 34252, 42815, 59941, 85630, 119882, 171260, 239764, 299705, 599410, 607973, 1198820, 1215946, 2431892, 3039865, 4255811, 6079730, 8511622, 12159460, 17023244, 21279055, 42558110, 85116220]

約数ペア:

[(1, 85116220), (2, 42558110), (4, 21279055), (5, 17023244), (7, 12159460), (10, 8511622), (14, 6079730), (20, 4255811), (28, 3039865), (35, 2431892), (70, 1215946), (71, 1198820), (140, 607973), (142, 599410), (284, 299705), (355, 239764), (497, 171260), (710, 119882), (994, 85630), (1420, 59941), (1988, 42815), (2485, 34252), (4970, 17126), (8563, 9940)]