305723720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1187}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 708238080

約数和(自身を除く): 402514360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 470, 548, 685, 940, 1096, 1187, 1370, 1880, 2374, 2740, 4748, 5480, 5935, 6439, 9496, 11870, 12878, 23740, 25756, 32195, 47480, 51512, 55789, 64390, 111578, 128780, 162619, 223156, 257560, 278945, 325238, 446312, 557890, 650476, 813095, 1115780, 1300952, 1626190, 2231560, 3252380, 6504760, 7643093, 15286186, 30572372, 38215465, 61144744, 76430930, 152861860, 305723720]

約数ペア:

[(1, 305723720), (2, 152861860), (4, 76430930), (5, 61144744), (8, 38215465), (10, 30572372), (20, 15286186), (40, 7643093), (47, 6504760), (94, 3252380), (137, 2231560), (188, 1626190), (235, 1300952), (274, 1115780), (376, 813095), (470, 650476), (548, 557890), (685, 446312), (940, 325238), (1096, 278945), (1187, 257560), (1370, 223156), (1880, 162619), (2374, 128780), (2740, 111578), (4748, 64390), (5480, 55789), (5935, 51512), (6439, 47480), (9496, 32195), (11870, 25756), (12878, 23740)]