342000400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{17449}}^1$

素因数の和:17481

約数の個数: 90

約数和(自身を含む): 955858650

約数和(自身を除く): 613858250

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 17449, 19600, 34898, 69796, 87245, 122143, 139592, 174490, 244286, 279184, 348980, 436225, 488572, 610715, 697960, 855001, 872450, 977144, 1221430, 1395920, 1710002, 1744900, 1954288, 2442860, 3053575, 3420004, 3489800, 4275005, 4885720, 6107150, 6840008, 6979600, 8550010, 9771440, 12214300, 13680016, 17100020, 21375025, 24428600, 34200040, 42750050, 48857200, 68400080, 85500100, 171000200, 342000400]

約数ペア:

[(1, 342000400), (2, 171000200), (4, 85500100), (5, 68400080), (7, 48857200), (8, 42750050), (10, 34200040), (14, 24428600), (16, 21375025), (20, 17100020), (25, 13680016), (28, 12214300), (35, 9771440), (40, 8550010), (49, 6979600), (50, 6840008), (56, 6107150), (70, 4885720), (80, 4275005), (98, 3489800), (100, 3420004), (112, 3053575), (140, 2442860), (175, 1954288), (196, 1744900), (200, 1710002), (245, 1395920), (280, 1221430), (350, 977144), (392, 872450), (400, 855001), (490, 697960), (560, 610715), (700, 488572), (784, 436225), (980, 348980), (1225, 279184), (1400, 244286), (1960, 174490), (2450, 139592), (2800, 122143), (3920, 87245), (4900, 69796), (9800, 34898), (17449, 19600)]