225721496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 577704960

約数和(自身を除く): 351983464

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 71, 77, 88, 91, 104, 142, 143, 154, 182, 284, 286, 308, 364, 397, 497, 568, 572, 616, 728, 781, 794, 923, 994, 1001, 1144, 1562, 1588, 1846, 1988, 2002, 2779, 3124, 3176, 3692, 3976, 4004, 4367, 5161, 5467, 5558, 6248, 6461, 7384, 8008, 8734, 10153, 10322, 10934, 11116, 12922, 17468, 20306, 20644, 21868, 22232, 25844, 28187, 30569, 34936, 36127, 40612, 41288, 43736, 51688, 56374, 56771, 61138, 71071, 72254, 81224, 112748, 113542, 122276, 142142, 144508, 197309, 225496, 227084, 244552, 284284, 289016, 310057, 366431, 394618, 397397, 454168, 568568, 620114, 732862, 789236, 794794, 1240228, 1465724, 1578472, 1589588, 2170399, 2480456, 2565017, 2931448, 3179176, 4030741, 4340798, 5130034, 8061482, 8681596, 10260068, 16122964, 17363192, 20520136, 28215187, 32245928, 56430374, 112860748, 225721496]

約数ペア:

[(1, 225721496), (2, 112860748), (4, 56430374), (7, 32245928), (8, 28215187), (11, 20520136), (13, 17363192), (14, 16122964), (22, 10260068), (26, 8681596), (28, 8061482), (44, 5130034), (52, 4340798), (56, 4030741), (71, 3179176), (77, 2931448), (88, 2565017), (91, 2480456), (104, 2170399), (142, 1589588), (143, 1578472), (154, 1465724), (182, 1240228), (284, 794794), (286, 789236), (308, 732862), (364, 620114), (397, 568568), (497, 454168), (568, 397397), (572, 394618), (616, 366431), (728, 310057), (781, 289016), (794, 284284), (923, 244552), (994, 227084), (1001, 225496), (1144, 197309), (1562, 144508), (1588, 142142), (1846, 122276), (1988, 113542), (2002, 112748), (2779, 81224), (3124, 72254), (3176, 71071), (3692, 61138), (3976, 56771), (4004, 56374), (4367, 51688), (5161, 43736), (5467, 41288), (5558, 40612), (6248, 36127), (6461, 34936), (7384, 30569), (8008, 28187), (8734, 25844), (10153, 22232), (10322, 21868), (10934, 20644), (11116, 20306), (12922, 17468)]