289399730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{3547}}^1$

素因数の和:3794

約数の個数: 32

約数和(自身を含む): 536457600

約数和(自身を除く): 247057870

約数列:

[1, 2, 5, 10, 41, 82, 199, 205, 398, 410, 995, 1990, 3547, 7094, 8159, 16318, 17735, 35470, 40795, 81590, 145427, 290854, 705853, 727135, 1411706, 1454270, 3529265, 7058530, 28939973, 57879946, 144699865, 289399730]

約数ペア:

[(1, 289399730), (2, 144699865), (5, 57879946), (10, 28939973), (41, 7058530), (82, 3529265), (199, 1454270), (205, 1411706), (398, 727135), (410, 705853), (995, 290854), (1990, 145427), (3547, 81590), (7094, 40795), (8159, 35470), (16318, 17735)]