3940475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 6428160

約数和(自身を除く): 2487685

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 89, 115, 161, 175, 253, 275, 385, 445, 575, 623, 805, 979, 1265, 1771, 1925, 2047, 2225, 3115, 4025, 4895, 6325, 6853, 8855, 10235, 14329, 15575, 22517, 24475, 34265, 44275, 51175, 71645, 112585, 157619, 171325, 358225, 562925, 788095, 3940475]

約数ペア:

[(1, 3940475), (5, 788095), (7, 562925), (11, 358225), (23, 171325), (25, 157619), (35, 112585), (55, 71645), (77, 51175), (89, 44275), (115, 34265), (161, 24475), (175, 22517), (253, 15575), (275, 14329), (385, 10235), (445, 8855), (575, 6853), (623, 6325), (805, 4895), (979, 4025), (1265, 3115), (1771, 2225), (1925, 2047)]