21389330000

素因数分解:

$2^4\times 5^4\times {\mathrm{37}}^1\times {\mathrm{57809}}^1$

素因数の和:57874

約数の個数: 100

約数和(自身を含む): 53186240580

約数和(自身を除く): 31796910580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 125, 148, 185, 200, 250, 296, 370, 400, 500, 592, 625, 740, 925, 1000, 1250, 1480, 1850, 2000, 2500, 2960, 3700, 4625, 5000, 7400, 9250, 10000, 14800, 18500, 23125, 37000, 46250, 57809, 74000, 92500, 115618, 185000, 231236, 289045, 370000, 462472, 578090, 924944, 1156180, 1445225, 2138933, 2312360, 2890450, 4277866, 4624720, 5780900, 7226125, 8555732, 10694665, 11561800, 14452250, 17111464, 21389330, 23123600, 28904500, 34222928, 36130625, 42778660, 53473325, 57809000, 72261250, 85557320, 106946650, 115618000, 144522500, 171114640, 213893300, 267366625, 289045000, 427786600, 534733250, 578090000, 855573200, 1069466500, 1336833125, 2138933000, 2673666250, 4277866000, 5347332500, 10694665000, 21389330000]

約数ペア:

[(1, 21389330000), (2, 10694665000), (4, 5347332500), (5, 4277866000), (8, 2673666250), (10, 2138933000), (16, 1336833125), (20, 1069466500), (25, 855573200), (37, 578090000), (40, 534733250), (50, 427786600), (74, 289045000), (80, 267366625), (100, 213893300), (125, 171114640), (148, 144522500), (185, 115618000), (200, 106946650), (250, 85557320), (296, 72261250), (370, 57809000), (400, 53473325), (500, 42778660), (592, 36130625), (625, 34222928), (740, 28904500), (925, 23123600), (1000, 21389330), (1250, 17111464), (1480, 14452250), (1850, 11561800), (2000, 10694665), (2500, 8555732), (2960, 7226125), (3700, 5780900), (4625, 4624720), (5000, 4277866), (7400, 2890450), (9250, 2312360), (10000, 2138933), (14800, 1445225), (18500, 1156180), (23125, 924944), (37000, 578090), (46250, 462472), (57809, 370000), (74000, 289045), (92500, 231236), (115618, 185000)]