160149020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3889}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 352900800

約数和(自身を除く): 192751780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 3889, 4118, 7778, 8236, 10295, 15556, 19445, 20590, 38890, 41180, 77780, 112781, 225562, 276119, 451124, 552238, 563905, 1104476, 1127810, 1380595, 2255620, 2761190, 5522380, 8007451, 16014902, 32029804, 40037255, 80074510, 160149020]

約数ペア:

[(1, 160149020), (2, 80074510), (4, 40037255), (5, 32029804), (10, 16014902), (20, 8007451), (29, 5522380), (58, 2761190), (71, 2255620), (116, 1380595), (142, 1127810), (145, 1104476), (284, 563905), (290, 552238), (355, 451124), (580, 276119), (710, 225562), (1420, 112781), (2059, 77780), (3889, 41180), (4118, 38890), (7778, 20590), (8236, 19445), (10295, 15556)]