56487940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 130745160

約数和(自身を除く): 74257220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 337, 340, 493, 578, 580, 674, 986, 1156, 1348, 1445, 1685, 1972, 2465, 2890, 3370, 4930, 5729, 5780, 6740, 8381, 9773, 9860, 11458, 16762, 19546, 22916, 28645, 33524, 39092, 41905, 48865, 57290, 83810, 97393, 97730, 114580, 166141, 167620, 194786, 195460, 332282, 389572, 486965, 664564, 830705, 973930, 1661410, 1947860, 2824397, 3322820, 5648794, 11297588, 14121985, 28243970, 56487940]

約数ペア:

[(1, 56487940), (2, 28243970), (4, 14121985), (5, 11297588), (10, 5648794), (17, 3322820), (20, 2824397), (29, 1947860), (34, 1661410), (58, 973930), (68, 830705), (85, 664564), (116, 486965), (145, 389572), (170, 332282), (289, 195460), (290, 194786), (337, 167620), (340, 166141), (493, 114580), (578, 97730), (580, 97393), (674, 83810), (986, 57290), (1156, 48865), (1348, 41905), (1445, 39092), (1685, 33524), (1972, 28645), (2465, 22916), (2890, 19546), (3370, 16762), (4930, 11458), (5729, 9860), (5780, 9773), (6740, 8381)]