54822220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 122623200

約数和(自身を除く): 67800980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1621, 1691, 1780, 3242, 3382, 6484, 6764, 8105, 8455, 16210, 16910, 30799, 32420, 33820, 61598, 123196, 144269, 153995, 288538, 307990, 577076, 615980, 721345, 1442690, 2741111, 2885380, 5482222, 10964444, 13705555, 27411110, 54822220]

約数ペア:

[(1, 54822220), (2, 27411110), (4, 13705555), (5, 10964444), (10, 5482222), (19, 2885380), (20, 2741111), (38, 1442690), (76, 721345), (89, 615980), (95, 577076), (178, 307990), (190, 288538), (356, 153995), (380, 144269), (445, 123196), (890, 61598), (1621, 33820), (1691, 32420), (1780, 30799), (3242, 16910), (3382, 16210), (6484, 8455), (6764, 8105)]