1330786940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{37871}}^1$

素因数の和:38138

約数の個数: 48

約数和(自身を含む): 3206697984

約数和(自身を除く): 1875911044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 17570, 35140, 37871, 75742, 151484, 189355, 265097, 378710, 530194, 757420, 1060388, 1325485, 2650970, 5301940, 9505621, 19011242, 38022484, 47528105, 66539347, 95056210, 133078694, 190112420, 266157388, 332696735, 665393470, 1330786940]

約数ペア:

[(1, 1330786940), (2, 665393470), (4, 332696735), (5, 266157388), (7, 190112420), (10, 133078694), (14, 95056210), (20, 66539347), (28, 47528105), (35, 38022484), (70, 19011242), (140, 9505621), (251, 5301940), (502, 2650970), (1004, 1325485), (1255, 1060388), (1757, 757420), (2510, 530194), (3514, 378710), (5020, 265097), (7028, 189355), (8785, 151484), (17570, 75742), (35140, 37871)]