40168828

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 87333120

約数和(自身を除く): 47164292

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 191, 196, 203, 259, 382, 406, 518, 764, 812, 1036, 1073, 1337, 1421, 1813, 2146, 2674, 2842, 3626, 4292, 5348, 5539, 5684, 7067, 7252, 7511, 9359, 11078, 14134, 15022, 18718, 22156, 28268, 30044, 37436, 38773, 49469, 52577, 77546, 98938, 105154, 155092, 197876, 204943, 210308, 271411, 346283, 409886, 542822, 692566, 819772, 1085644, 1385132, 1434601, 2869202, 5738404, 10042207, 20084414, 40168828]

約数ペア:

[(1, 40168828), (2, 20084414), (4, 10042207), (7, 5738404), (14, 2869202), (28, 1434601), (29, 1385132), (37, 1085644), (49, 819772), (58, 692566), (74, 542822), (98, 409886), (116, 346283), (148, 271411), (191, 210308), (196, 204943), (203, 197876), (259, 155092), (382, 105154), (406, 98938), (518, 77546), (764, 52577), (812, 49469), (1036, 38773), (1073, 37436), (1337, 30044), (1421, 28268), (1813, 22156), (2146, 18718), (2674, 15022), (2842, 14134), (3626, 11078), (4292, 9359), (5348, 7511), (5539, 7252), (5684, 7067)]