668857250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 1322231040

約数和(自身を除く): 653373790

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 125, 178, 230, 250, 445, 575, 890, 1150, 1307, 2047, 2225, 2614, 2875, 4094, 4450, 5750, 6535, 10235, 11125, 13070, 20470, 22250, 30061, 32675, 51175, 60122, 65350, 102350, 116323, 150305, 163375, 232646, 255875, 300610, 326750, 511750, 581615, 751525, 1163230, 1503050, 2675429, 2908075, 3757625, 5350858, 5816150, 7515250, 13377145, 14540375, 26754290, 29080750, 66885725, 133771450, 334428625, 668857250]

約数ペア:

[(1, 668857250), (2, 334428625), (5, 133771450), (10, 66885725), (23, 29080750), (25, 26754290), (46, 14540375), (50, 13377145), (89, 7515250), (115, 5816150), (125, 5350858), (178, 3757625), (230, 2908075), (250, 2675429), (445, 1503050), (575, 1163230), (890, 751525), (1150, 581615), (1307, 511750), (2047, 326750), (2225, 300610), (2614, 255875), (2875, 232646), (4094, 163375), (4450, 150305), (5750, 116323), (6535, 102350), (10235, 65350), (11125, 60122), (13070, 51175), (20470, 32675), (22250, 30061)]