2017256920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{153287}}^1$

素因数の和:153352

約数の個数: 64

約数和(自身を含む): 5297633280

約数和(自身を除く): 3280376360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 153287, 306574, 613148, 766435, 1073009, 1226296, 1532870, 2146018, 3065740, 4292036, 5365045, 6131480, 7204489, 8584072, 10730090, 14408978, 21460180, 28817956, 36022445, 42920360, 50431423, 57635912, 72044890, 100862846, 144089780, 201725692, 252157115, 288179560, 403451384, 504314230, 1008628460, 2017256920]

約数ペア:

[(1, 2017256920), (2, 1008628460), (4, 504314230), (5, 403451384), (7, 288179560), (8, 252157115), (10, 201725692), (14, 144089780), (20, 100862846), (28, 72044890), (35, 57635912), (40, 50431423), (47, 42920360), (56, 36022445), (70, 28817956), (94, 21460180), (140, 14408978), (188, 10730090), (235, 8584072), (280, 7204489), (329, 6131480), (376, 5365045), (470, 4292036), (658, 3065740), (940, 2146018), (1316, 1532870), (1645, 1226296), (1880, 1073009), (2632, 766435), (3290, 613148), (6580, 306574), (13160, 153287)]