157656040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 361972800

約数和(自身を除く): 204316760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 179, 194, 227, 358, 388, 454, 485, 716, 776, 895, 908, 970, 1135, 1432, 1790, 1816, 1940, 2270, 3580, 3880, 4540, 7160, 9080, 17363, 22019, 34726, 40633, 44038, 69452, 81266, 86815, 88076, 110095, 138904, 162532, 173630, 176152, 203165, 220190, 325064, 347260, 406330, 440380, 694520, 812660, 880760, 1625320, 3941401, 7882802, 15765604, 19707005, 31531208, 39414010, 78828020, 157656040]

約数ペア:

[(1, 157656040), (2, 78828020), (4, 39414010), (5, 31531208), (8, 19707005), (10, 15765604), (20, 7882802), (40, 3941401), (97, 1625320), (179, 880760), (194, 812660), (227, 694520), (358, 440380), (388, 406330), (454, 347260), (485, 325064), (716, 220190), (776, 203165), (895, 176152), (908, 173630), (970, 162532), (1135, 138904), (1432, 110095), (1790, 88076), (1816, 86815), (1940, 81266), (2270, 69452), (3580, 44038), (3880, 40633), (4540, 34726), (7160, 22019), (9080, 17363)]