19701500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 53079936

約数和(自身を除く): 33378436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 182, 250, 260, 325, 350, 364, 433, 455, 500, 650, 700, 866, 875, 910, 1300, 1625, 1732, 1750, 1820, 2165, 2275, 3031, 3250, 3500, 4330, 4550, 5629, 6062, 6500, 8660, 9100, 10825, 11258, 11375, 12124, 15155, 21650, 22516, 22750, 28145, 30310, 39403, 43300, 45500, 54125, 56290, 60620, 75775, 78806, 108250, 112580, 140725, 151550, 157612, 197015, 216500, 281450, 303100, 378875, 394030, 562900, 703625, 757750, 788060, 985075, 1407250, 1515500, 1970150, 2814500, 3940300, 4925375, 9850750, 19701500]

約数ペア:

[(1, 19701500), (2, 9850750), (4, 4925375), (5, 3940300), (7, 2814500), (10, 1970150), (13, 1515500), (14, 1407250), (20, 985075), (25, 788060), (26, 757750), (28, 703625), (35, 562900), (50, 394030), (52, 378875), (65, 303100), (70, 281450), (91, 216500), (100, 197015), (125, 157612), (130, 151550), (140, 140725), (175, 112580), (182, 108250), (250, 78806), (260, 75775), (325, 60620), (350, 56290), (364, 54125), (433, 45500), (455, 43300), (500, 39403), (650, 30310), (700, 28145), (866, 22750), (875, 22516), (910, 21650), (1300, 15155), (1625, 12124), (1732, 11375), (1750, 11258), (1820, 10825), (2165, 9100), (2275, 8660), (3031, 6500), (3250, 6062), (3500, 5629), (4330, 4550)]