201994538500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{299473}}^1$

素因数の和:299582

約数の個数: 96

約数和(自身を含む): 470916875520

約数和(自身を除く): 268922337020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 125, 142, 190, 250, 284, 355, 380, 475, 500, 710, 950, 1349, 1420, 1775, 1900, 2375, 2698, 3550, 4750, 5396, 6745, 7100, 8875, 9500, 13490, 17750, 26980, 33725, 35500, 67450, 134900, 168625, 299473, 337250, 598946, 674500, 1197892, 1497365, 2994730, 5689987, 5989460, 7486825, 11379974, 14973650, 21262583, 22759948, 28449935, 29947300, 37434125, 42525166, 56899870, 74868250, 85050332, 106312915, 113799740, 142249675, 149736500, 212625830, 284499350, 403989077, 425251660, 531564575, 568998700, 711248375, 807978154, 1063129150, 1422496750, 1615956308, 2019945385, 2126258300, 2657822875, 2844993500, 4039890770, 5315645750, 8079781540, 10099726925, 10631291500, 20199453850, 40398907700, 50498634625, 100997269250, 201994538500]

約数ペア:

[(1, 201994538500), (2, 100997269250), (4, 50498634625), (5, 40398907700), (10, 20199453850), (19, 10631291500), (20, 10099726925), (25, 8079781540), (38, 5315645750), (50, 4039890770), (71, 2844993500), (76, 2657822875), (95, 2126258300), (100, 2019945385), (125, 1615956308), (142, 1422496750), (190, 1063129150), (250, 807978154), (284, 711248375), (355, 568998700), (380, 531564575), (475, 425251660), (500, 403989077), (710, 284499350), (950, 212625830), (1349, 149736500), (1420, 142249675), (1775, 113799740), (1900, 106312915), (2375, 85050332), (2698, 74868250), (3550, 56899870), (4750, 42525166), (5396, 37434125), (6745, 29947300), (7100, 28449935), (8875, 22759948), (9500, 21262583), (13490, 14973650), (17750, 11379974), (26980, 7486825), (33725, 5989460), (35500, 5689987), (67450, 2994730), (134900, 1497365), (168625, 1197892), (299473, 674500), (337250, 598946)]