189704740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1069}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 420638400

約数和(自身を除く): 230933660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 467, 934, 1069, 1868, 2138, 2335, 4276, 4670, 5345, 8873, 9340, 10690, 17746, 20311, 21380, 35492, 40622, 44365, 81244, 88730, 101555, 177460, 203110, 406220, 499223, 998446, 1996892, 2496115, 4992230, 9485237, 9984460, 18970474, 37940948, 47426185, 94852370, 189704740]

約数ペア:

[(1, 189704740), (2, 94852370), (4, 47426185), (5, 37940948), (10, 18970474), (19, 9984460), (20, 9485237), (38, 4992230), (76, 2496115), (95, 1996892), (190, 998446), (380, 499223), (467, 406220), (934, 203110), (1069, 177460), (1868, 101555), (2138, 88730), (2335, 81244), (4276, 44365), (4670, 40622), (5345, 35492), (8873, 21380), (9340, 20311), (10690, 17746)]