28941220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18793}}^1$

素因数の和:18820

約数の個数: 48

約数和(自身を含む): 75777408

約数和(自身を除く): 46836188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18793, 37586, 75172, 93965, 131551, 187930, 206723, 263102, 375860, 413446, 526204, 657755, 826892, 1033615, 1315510, 1447061, 2067230, 2631020, 2894122, 4134460, 5788244, 7235305, 14470610, 28941220]

約数ペア:

[(1, 28941220), (2, 14470610), (4, 7235305), (5, 5788244), (7, 4134460), (10, 2894122), (11, 2631020), (14, 2067230), (20, 1447061), (22, 1315510), (28, 1033615), (35, 826892), (44, 657755), (55, 526204), (70, 413446), (77, 375860), (110, 263102), (140, 206723), (154, 187930), (220, 131551), (308, 93965), (385, 75172), (770, 37586), (1540, 18793)]