7881020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 19389888

約数和(自身を除く): 11508868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1373, 1435, 2746, 2870, 5492, 5740, 6865, 9611, 13730, 19222, 27460, 38444, 48055, 56293, 96110, 112586, 192220, 225172, 281465, 394051, 562930, 788102, 1125860, 1576204, 1970255, 3940510, 7881020]

約数ペア:

[(1, 7881020), (2, 3940510), (4, 1970255), (5, 1576204), (7, 1125860), (10, 788102), (14, 562930), (20, 394051), (28, 281465), (35, 225172), (41, 192220), (70, 112586), (82, 96110), (140, 56293), (164, 48055), (205, 38444), (287, 27460), (410, 19222), (574, 13730), (820, 9611), (1148, 6865), (1373, 5740), (1435, 5492), (2746, 2870)]