31788820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3389}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 77454720

約数和(自身を除く): 45665900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3389, 4690, 6778, 9380, 13556, 16945, 23723, 33890, 47446, 67780, 94892, 118615, 227063, 237230, 454126, 474460, 908252, 1135315, 1589441, 2270630, 3178882, 4541260, 6357764, 7947205, 15894410, 31788820]

約数ペア:

[(1, 31788820), (2, 15894410), (4, 7947205), (5, 6357764), (7, 4541260), (10, 3178882), (14, 2270630), (20, 1589441), (28, 1135315), (35, 908252), (67, 474460), (70, 454126), (134, 237230), (140, 227063), (268, 118615), (335, 94892), (469, 67780), (670, 47446), (938, 33890), (1340, 23723), (1876, 16945), (2345, 13556), (3389, 9380), (4690, 6778)]