2578889320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{19979}}^1$

素因数の和:20458

約数の個数: 64

約数和(自身を含む): 6646147200

約数和(自身を除く): 4067257880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 922, 1844, 2305, 3227, 3688, 4610, 6454, 9220, 12908, 16135, 18440, 19979, 25816, 32270, 39958, 64540, 79916, 99895, 129080, 139853, 159832, 199790, 279706, 399580, 559412, 699265, 799160, 1118824, 1398530, 2797060, 5594120, 9210319, 18420638, 36841276, 46051595, 64472233, 73682552, 92103190, 128944466, 184206380, 257888932, 322361165, 368412760, 515777864, 644722330, 1289444660, 2578889320]

約数ペア:

[(1, 2578889320), (2, 1289444660), (4, 644722330), (5, 515777864), (7, 368412760), (8, 322361165), (10, 257888932), (14, 184206380), (20, 128944466), (28, 92103190), (35, 73682552), (40, 64472233), (56, 46051595), (70, 36841276), (140, 18420638), (280, 9210319), (461, 5594120), (922, 2797060), (1844, 1398530), (2305, 1118824), (3227, 799160), (3688, 699265), (4610, 559412), (6454, 399580), (9220, 279706), (12908, 199790), (16135, 159832), (18440, 139853), (19979, 129080), (25816, 99895), (32270, 79916), (39958, 64540)]