201959440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 488718720

約数和(自身を除く): 286759280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 67, 80, 82, 134, 164, 205, 268, 328, 335, 410, 536, 656, 670, 820, 919, 1072, 1340, 1640, 1838, 2680, 2747, 3280, 3676, 4595, 5360, 5494, 7352, 9190, 10988, 13735, 14704, 18380, 21976, 27470, 36760, 37679, 43952, 54940, 61573, 73520, 75358, 109880, 123146, 150716, 188395, 219760, 246292, 301432, 307865, 376790, 492584, 602864, 615730, 753580, 985168, 1231460, 1507160, 2462920, 2524493, 3014320, 4925840, 5048986, 10097972, 12622465, 20195944, 25244930, 40391888, 50489860, 100979720, 201959440]

約数ペア:

[(1, 201959440), (2, 100979720), (4, 50489860), (5, 40391888), (8, 25244930), (10, 20195944), (16, 12622465), (20, 10097972), (40, 5048986), (41, 4925840), (67, 3014320), (80, 2524493), (82, 2462920), (134, 1507160), (164, 1231460), (205, 985168), (268, 753580), (328, 615730), (335, 602864), (410, 492584), (536, 376790), (656, 307865), (670, 301432), (820, 246292), (919, 219760), (1072, 188395), (1340, 150716), (1640, 123146), (1838, 109880), (2680, 75358), (2747, 73520), (3280, 61573), (3676, 54940), (4595, 43952), (5360, 37679), (5494, 36760), (7352, 27470), (9190, 21976), (10988, 18380), (13735, 14704)]