809780300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26903}}^1$

素因数の和:26967

約数の個数: 72

約数和(自身を含む): 2055035136

約数和(自身を除く): 1245254836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 3010, 4300, 6020, 7525, 15050, 26903, 30100, 53806, 107612, 134515, 188321, 269030, 376642, 538060, 672575, 753284, 941605, 1156829, 1345150, 1883210, 2313658, 2690300, 3766420, 4627316, 4708025, 5784145, 8097803, 9416050, 11568290, 16195606, 18832100, 23136580, 28920725, 32391212, 40489015, 57841450, 80978030, 115682900, 161956060, 202445075, 404890150, 809780300]

約数ペア:

[(1, 809780300), (2, 404890150), (4, 202445075), (5, 161956060), (7, 115682900), (10, 80978030), (14, 57841450), (20, 40489015), (25, 32391212), (28, 28920725), (35, 23136580), (43, 18832100), (50, 16195606), (70, 11568290), (86, 9416050), (100, 8097803), (140, 5784145), (172, 4708025), (175, 4627316), (215, 3766420), (301, 2690300), (350, 2313658), (430, 1883210), (602, 1345150), (700, 1156829), (860, 941605), (1075, 753284), (1204, 672575), (1505, 538060), (2150, 376642), (3010, 269030), (4300, 188321), (6020, 134515), (7525, 107612), (15050, 53806), (26903, 30100)]