870836900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{5281}}^1$

素因数の和:5409

約数の個数: 72

約数和(自身を含む): 2021886216

約数和(自身を除く): 1151049316

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 170, 194, 340, 388, 425, 485, 850, 970, 1649, 1700, 1940, 2425, 3298, 4850, 5281, 6596, 8245, 9700, 10562, 16490, 21124, 26405, 32980, 41225, 52810, 82450, 89777, 105620, 132025, 164900, 179554, 264050, 359108, 448885, 512257, 528100, 897770, 1024514, 1795540, 2049028, 2244425, 2561285, 4488850, 5122570, 8708369, 8977700, 10245140, 12806425, 17416738, 25612850, 34833476, 43541845, 51225700, 87083690, 174167380, 217709225, 435418450, 870836900]

約数ペア:

[(1, 870836900), (2, 435418450), (4, 217709225), (5, 174167380), (10, 87083690), (17, 51225700), (20, 43541845), (25, 34833476), (34, 25612850), (50, 17416738), (68, 12806425), (85, 10245140), (97, 8977700), (100, 8708369), (170, 5122570), (194, 4488850), (340, 2561285), (388, 2244425), (425, 2049028), (485, 1795540), (850, 1024514), (970, 897770), (1649, 528100), (1700, 512257), (1940, 448885), (2425, 359108), (3298, 264050), (4850, 179554), (5281, 164900), (6596, 132025), (8245, 105620), (9700, 89777), (10562, 82450), (16490, 52810), (21124, 41225), (26405, 32980)]