1345540

素因数分解:

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

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 3289356

約数和(自身を除く): 1943816

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1373, 2746, 5492, 6865, 9611, 13730, 19222, 27460, 38444, 48055, 67277, 96110, 134554, 192220, 269108, 336385, 672770, 1345540]

約数ペア:

[(1, 1345540), (2, 672770), (4, 336385), (5, 269108), (7, 192220), (10, 134554), (14, 96110), (20, 67277), (28, 48055), (35, 38444), (49, 27460), (70, 19222), (98, 13730), (140, 9611), (196, 6865), (245, 5492), (490, 2746), (980, 1373)]