65244100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1549

約数の個数: 72

約数和(自身を含む): 155615040

約数和(自身を除く): 90370940

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1493, 1748, 1900, 2185, 2300, 2986, 4370, 5972, 7465, 8740, 10925, 14930, 21850, 28367, 29860, 34339, 37325, 43700, 56734, 68678, 74650, 113468, 137356, 141835, 149300, 171695, 283670, 343390, 567340, 652441, 686780, 709175, 858475, 1304882, 1418350, 1716950, 2609764, 2836700, 3262205, 3433900, 6524410, 13048820, 16311025, 32622050, 65244100]

約数ペア:

[(1, 65244100), (2, 32622050), (4, 16311025), (5, 13048820), (10, 6524410), (19, 3433900), (20, 3262205), (23, 2836700), (25, 2609764), (38, 1716950), (46, 1418350), (50, 1304882), (76, 858475), (92, 709175), (95, 686780), (100, 652441), (115, 567340), (190, 343390), (230, 283670), (380, 171695), (437, 149300), (460, 141835), (475, 137356), (575, 113468), (874, 74650), (950, 68678), (1150, 56734), (1493, 43700), (1748, 37325), (1900, 34339), (2185, 29860), (2300, 28367), (2986, 21850), (4370, 14930), (5972, 10925), (7465, 8740)]