9554860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 23143680

約数和(自身を除く): 13588820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 491, 556, 695, 973, 982, 1390, 1946, 1964, 2455, 2780, 3437, 3892, 4865, 4910, 6874, 9730, 9820, 13748, 17185, 19460, 34370, 68249, 68740, 136498, 272996, 341245, 477743, 682490, 955486, 1364980, 1910972, 2388715, 4777430, 9554860]

約数ペア:

[(1, 9554860), (2, 4777430), (4, 2388715), (5, 1910972), (7, 1364980), (10, 955486), (14, 682490), (20, 477743), (28, 341245), (35, 272996), (70, 136498), (139, 68740), (140, 68249), (278, 34370), (491, 19460), (556, 17185), (695, 13748), (973, 9820), (982, 9730), (1390, 6874), (1946, 4910), (1964, 4865), (2455, 3892), (2780, 3437)]