131104400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{6689}}^1$

素因数の和:6721

約数の個数: 90

約数和(自身を含む): 366458130

約数和(自身を除く): 235353730

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, 6689, 9800, 13378, 19600, 26756, 33445, 46823, 53512, 66890, 93646, 107024, 133780, 167225, 187292, 234115, 267560, 327761, 334450, 374584, 468230, 535120, 655522, 668900, 749168, 936460, 1170575, 1311044, 1337800, 1638805, 1872920, 2341150, 2622088, 2675600, 3277610, 3745840, 4682300, 5244176, 6555220, 8194025, 9364600, 13110440, 16388050, 18729200, 26220880, 32776100, 65552200, 131104400]

約数ペア:

[(1, 131104400), (2, 65552200), (4, 32776100), (5, 26220880), (7, 18729200), (8, 16388050), (10, 13110440), (14, 9364600), (16, 8194025), (20, 6555220), (25, 5244176), (28, 4682300), (35, 3745840), (40, 3277610), (49, 2675600), (50, 2622088), (56, 2341150), (70, 1872920), (80, 1638805), (98, 1337800), (100, 1311044), (112, 1170575), (140, 936460), (175, 749168), (196, 668900), (200, 655522), (245, 535120), (280, 468230), (350, 374584), (392, 334450), (400, 327761), (490, 267560), (560, 234115), (700, 187292), (784, 167225), (980, 133780), (1225, 107024), (1400, 93646), (1960, 66890), (2450, 53512), (2800, 46823), (3920, 33445), (4900, 26756), (6689, 19600), (9800, 13378)]