251962720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15289}}^1$

素因数の和:15407

約数の個数: 48

約数和(自身を含む): 601080480

約数和(自身を除く): 349117760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 15289, 16480, 30578, 61156, 76445, 122312, 152890, 244624, 305780, 489248, 611560, 1223120, 1574767, 2446240, 3149534, 6299068, 7873835, 12598136, 15747670, 25196272, 31495340, 50392544, 62990680, 125981360, 251962720]

約数ペア:

[(1, 251962720), (2, 125981360), (4, 62990680), (5, 50392544), (8, 31495340), (10, 25196272), (16, 15747670), (20, 12598136), (32, 7873835), (40, 6299068), (80, 3149534), (103, 2446240), (160, 1574767), (206, 1223120), (412, 611560), (515, 489248), (824, 305780), (1030, 244624), (1648, 152890), (2060, 122312), (3296, 76445), (4120, 61156), (8240, 30578), (15289, 16480)]