668519350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{3929}}^1$

素因数の和:4065

約数の個数: 48

約数和(自身を含む): 1289448720

約数和(自身を除く): 620929370

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 83, 166, 205, 410, 415, 830, 1025, 2050, 2075, 3403, 3929, 4150, 6806, 7858, 17015, 19645, 34030, 39290, 85075, 98225, 161089, 170150, 196450, 322178, 326107, 652214, 805445, 1610890, 1630535, 3261070, 4027225, 8054450, 8152675, 13370387, 16305350, 26740774, 66851935, 133703870, 334259675, 668519350]

約数ペア:

[(1, 668519350), (2, 334259675), (5, 133703870), (10, 66851935), (25, 26740774), (41, 16305350), (50, 13370387), (82, 8152675), (83, 8054450), (166, 4027225), (205, 3261070), (410, 1630535), (415, 1610890), (830, 805445), (1025, 652214), (2050, 326107), (2075, 322178), (3403, 196450), (3929, 170150), (4150, 161089), (6806, 98225), (7858, 85075), (17015, 39290), (19645, 34030)]