2781625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 4597632

約数和(自身を除く): 1816007

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 125, 175, 187, 275, 289, 385, 425, 595, 875, 935, 1309, 1375, 1445, 1925, 2023, 2125, 2975, 3179, 4675, 6545, 7225, 9625, 10115, 14875, 15895, 22253, 23375, 32725, 36125, 50575, 79475, 111265, 163625, 252875, 397375, 556325, 2781625]

約数ペア:

[(1, 2781625), (5, 556325), (7, 397375), (11, 252875), (17, 163625), (25, 111265), (35, 79475), (55, 50575), (77, 36125), (85, 32725), (119, 23375), (125, 22253), (175, 15895), (187, 14875), (275, 10115), (289, 9625), (385, 7225), (425, 6545), (595, 4675), (875, 3179), (935, 2975), (1309, 2125), (1375, 2023), (1445, 1925)]