204501040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 495593280

約数和(自身を除く): 291092240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 181, 232, 290, 362, 464, 487, 580, 724, 905, 974, 1160, 1448, 1810, 1948, 2320, 2435, 2896, 3620, 3896, 4870, 5249, 7240, 7792, 9740, 10498, 14123, 14480, 19480, 20996, 26245, 28246, 38960, 41992, 52490, 56492, 70615, 83984, 88147, 104980, 112984, 141230, 176294, 209960, 225968, 282460, 352588, 419920, 440735, 564920, 705176, 881470, 1129840, 1410352, 1762940, 2556263, 3525880, 5112526, 7051760, 10225052, 12781315, 20450104, 25562630, 40900208, 51125260, 102250520, 204501040]

約数ペア:

[(1, 204501040), (2, 102250520), (4, 51125260), (5, 40900208), (8, 25562630), (10, 20450104), (16, 12781315), (20, 10225052), (29, 7051760), (40, 5112526), (58, 3525880), (80, 2556263), (116, 1762940), (145, 1410352), (181, 1129840), (232, 881470), (290, 705176), (362, 564920), (464, 440735), (487, 419920), (580, 352588), (724, 282460), (905, 225968), (974, 209960), (1160, 176294), (1448, 141230), (1810, 112984), (1948, 104980), (2320, 88147), (2435, 83984), (2896, 70615), (3620, 56492), (3896, 52490), (4870, 41992), (5249, 38960), (7240, 28246), (7792, 26245), (9740, 20996), (10498, 19480), (14123, 14480)]