630332500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 120

約数和(自身を含む): 1591990400

約数和(自身を除く): 961657900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 181, 199, 250, 350, 362, 398, 500, 625, 700, 724, 796, 875, 905, 995, 1250, 1267, 1393, 1750, 1810, 1990, 2500, 2534, 2786, 3500, 3620, 3980, 4375, 4525, 4975, 5068, 5572, 6335, 6965, 8750, 9050, 9950, 12670, 13930, 17500, 18100, 19900, 22625, 24875, 25340, 27860, 31675, 34825, 36019, 45250, 49750, 63350, 69650, 72038, 90500, 99500, 113125, 124375, 126700, 139300, 144076, 158375, 174125, 180095, 226250, 248750, 252133, 316750, 348250, 360190, 452500, 497500, 504266, 633500, 696500, 720380, 791875, 870625, 900475, 1008532, 1260665, 1583750, 1741250, 1800950, 2521330, 3167500, 3482500, 3601900, 4502375, 5042660, 6303325, 9004750, 12606650, 18009500, 22511875, 25213300, 31516625, 45023750, 63033250, 90047500, 126066500, 157583125, 315166250, 630332500]

約数ペア:

[(1, 630332500), (2, 315166250), (4, 157583125), (5, 126066500), (7, 90047500), (10, 63033250), (14, 45023750), (20, 31516625), (25, 25213300), (28, 22511875), (35, 18009500), (50, 12606650), (70, 9004750), (100, 6303325), (125, 5042660), (140, 4502375), (175, 3601900), (181, 3482500), (199, 3167500), (250, 2521330), (350, 1800950), (362, 1741250), (398, 1583750), (500, 1260665), (625, 1008532), (700, 900475), (724, 870625), (796, 791875), (875, 720380), (905, 696500), (995, 633500), (1250, 504266), (1267, 497500), (1393, 452500), (1750, 360190), (1810, 348250), (1990, 316750), (2500, 252133), (2534, 248750), (2786, 226250), (3500, 180095), (3620, 174125), (3980, 158375), (4375, 144076), (4525, 139300), (4975, 126700), (5068, 124375), (5572, 113125), (6335, 99500), (6965, 90500), (8750, 72038), (9050, 69650), (9950, 63350), (12670, 49750), (13930, 45250), (17500, 36019), (18100, 34825), (19900, 31675), (22625, 27860), (24875, 25340)]