1020885500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:592

約数の個数: 96

約数和(自身を含む): 2312157120

約数和(自身を除く): 1291271620

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 139, 148, 185, 250, 278, 370, 397, 500, 556, 695, 740, 794, 925, 1390, 1588, 1850, 1985, 2780, 3475, 3700, 3970, 4625, 5143, 6950, 7940, 9250, 9925, 10286, 13900, 14689, 17375, 18500, 19850, 20572, 25715, 29378, 34750, 39700, 49625, 51430, 55183, 58756, 69500, 73445, 99250, 102860, 110366, 128575, 146890, 198500, 220732, 257150, 275915, 293780, 367225, 514300, 551830, 642875, 734450, 1103660, 1285750, 1379575, 1468900, 1836125, 2041771, 2571500, 2759150, 3672250, 4083542, 5518300, 6897875, 7344500, 8167084, 10208855, 13795750, 20417710, 27591500, 40835420, 51044275, 102088550, 204177100, 255221375, 510442750, 1020885500]

約数ペア:

[(1, 1020885500), (2, 510442750), (4, 255221375), (5, 204177100), (10, 102088550), (20, 51044275), (25, 40835420), (37, 27591500), (50, 20417710), (74, 13795750), (100, 10208855), (125, 8167084), (139, 7344500), (148, 6897875), (185, 5518300), (250, 4083542), (278, 3672250), (370, 2759150), (397, 2571500), (500, 2041771), (556, 1836125), (695, 1468900), (740, 1379575), (794, 1285750), (925, 1103660), (1390, 734450), (1588, 642875), (1850, 551830), (1985, 514300), (2780, 367225), (3475, 293780), (3700, 275915), (3970, 257150), (4625, 220732), (5143, 198500), (6950, 146890), (7940, 128575), (9250, 110366), (9925, 102860), (10286, 99250), (13900, 73445), (14689, 69500), (17375, 58756), (18500, 55183), (19850, 51430), (20572, 49625), (25715, 39700), (29378, 34750)]