30674740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 68644800

約数和(自身を除く): 37970060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 907, 1691, 1780, 1814, 3382, 3628, 4535, 6764, 8455, 9070, 16910, 17233, 18140, 33820, 34466, 68932, 80723, 86165, 161446, 172330, 322892, 344660, 403615, 807230, 1533737, 1614460, 3067474, 6134948, 7668685, 15337370, 30674740]

約数ペア:

[(1, 30674740), (2, 15337370), (4, 7668685), (5, 6134948), (10, 3067474), (19, 1614460), (20, 1533737), (38, 807230), (76, 403615), (89, 344660), (95, 322892), (178, 172330), (190, 161446), (356, 86165), (380, 80723), (445, 68932), (890, 34466), (907, 33820), (1691, 18140), (1780, 17233), (1814, 16910), (3382, 9070), (3628, 8455), (4535, 6764)]