400961844

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 1033049472

約数和(自身を除く): 632087628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 271, 292, 438, 542, 563, 657, 813, 876, 1084, 1126, 1314, 1626, 1689, 2252, 2439, 2628, 3252, 3378, 4878, 5067, 6756, 9756, 10134, 19783, 20268, 39566, 41099, 59349, 79132, 82198, 118698, 123297, 152573, 164396, 178047, 237396, 246594, 305146, 356094, 369891, 457719, 493188, 610292, 712188, 739782, 915438, 1373157, 1479564, 1830876, 2746314, 5492628, 11137829, 22275658, 33413487, 44551316, 66826974, 100240461, 133653948, 200480922, 400961844]

約数ペア:

[(1, 400961844), (2, 200480922), (3, 133653948), (4, 100240461), (6, 66826974), (9, 44551316), (12, 33413487), (18, 22275658), (36, 11137829), (73, 5492628), (146, 2746314), (219, 1830876), (271, 1479564), (292, 1373157), (438, 915438), (542, 739782), (563, 712188), (657, 610292), (813, 493188), (876, 457719), (1084, 369891), (1126, 356094), (1314, 305146), (1626, 246594), (1689, 237396), (2252, 178047), (2439, 164396), (2628, 152573), (3252, 123297), (3378, 118698), (4878, 82198), (5067, 79132), (6756, 59349), (9756, 41099), (10134, 39566), (19783, 20268)]