30671795

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 49248000

約数和(自身を除く): 18576205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 599, 665, 931, 1045, 1463, 2695, 2995, 4193, 4655, 6589, 7315, 10241, 11381, 20965, 29351, 32945, 46123, 51205, 56905, 79667, 125191, 146755, 230615, 322861, 398335, 557669, 625955, 876337, 1614305, 2788345, 4381685, 6134359, 30671795]

約数ペア:

[(1, 30671795), (5, 6134359), (7, 4381685), (11, 2788345), (19, 1614305), (35, 876337), (49, 625955), (55, 557669), (77, 398335), (95, 322861), (133, 230615), (209, 146755), (245, 125191), (385, 79667), (539, 56905), (599, 51205), (665, 46123), (931, 32945), (1045, 29351), (1463, 20965), (2695, 11381), (2995, 10241), (4193, 7315), (4655, 6589)]