290420158

素因数分解:

$2^1\times 7^4\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:534

約数の個数: 40

約数和(自身を含む): 512448552

約数和(自身を除く): 222028394

約数列:

[1, 2, 7, 14, 49, 98, 197, 307, 343, 394, 614, 686, 1379, 2149, 2401, 2758, 4298, 4802, 9653, 15043, 19306, 30086, 60479, 67571, 105301, 120958, 135142, 210602, 423353, 472997, 737107, 846706, 945994, 1474214, 2963471, 5926942, 20744297, 41488594, 145210079, 290420158]

約数ペア:

[(1, 290420158), (2, 145210079), (7, 41488594), (14, 20744297), (49, 5926942), (98, 2963471), (197, 1474214), (307, 945994), (343, 846706), (394, 737107), (614, 472997), (686, 423353), (1379, 210602), (2149, 135142), (2401, 120958), (2758, 105301), (4298, 67571), (4802, 60479), (9653, 30086), (15043, 19306)]