921000640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5791}}^1$

素因数の和:5886

約数の個数: 112

約数和(自身を含む): 2542178304

約数和(自身を除く): 1621177664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2240, 2272, 2485, 2840, 3976, 4544, 4970, 5680, 5791, 7952, 9940, 11360, 11582, 15904, 19880, 22720, 23164, 28955, 31808, 39760, 40537, 46328, 57910, 79520, 81074, 92656, 115820, 159040, 162148, 185312, 202685, 231640, 324296, 370624, 405370, 411161, 463280, 648592, 810740, 822322, 926560, 1297184, 1621480, 1644644, 1853120, 2055805, 2594368, 2878127, 3242960, 3289288, 4111610, 5756254, 6485920, 6578576, 8223220, 11512508, 12971840, 13157152, 14390635, 16446440, 23025016, 26314304, 28781270, 32892880, 46050032, 57562540, 65785760, 92100064, 115125080, 131571520, 184200128, 230250160, 460500320, 921000640]

約数ペア:

[(1, 921000640), (2, 460500320), (4, 230250160), (5, 184200128), (7, 131571520), (8, 115125080), (10, 92100064), (14, 65785760), (16, 57562540), (20, 46050032), (28, 32892880), (32, 28781270), (35, 26314304), (40, 23025016), (56, 16446440), (64, 14390635), (70, 13157152), (71, 12971840), (80, 11512508), (112, 8223220), (140, 6578576), (142, 6485920), (160, 5756254), (224, 4111610), (280, 3289288), (284, 3242960), (320, 2878127), (355, 2594368), (448, 2055805), (497, 1853120), (560, 1644644), (568, 1621480), (710, 1297184), (994, 926560), (1120, 822322), (1136, 810740), (1420, 648592), (1988, 463280), (2240, 411161), (2272, 405370), (2485, 370624), (2840, 324296), (3976, 231640), (4544, 202685), (4970, 185312), (5680, 162148), (5791, 159040), (7952, 115820), (9940, 92656), (11360, 81074), (11582, 79520), (15904, 57910), (19880, 46328), (22720, 40537), (23164, 39760), (28955, 31808)]