29901025

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 47318400

約数和(自身を除く): 17417375

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 317, 343, 385, 539, 1225, 1585, 1715, 1925, 2219, 2695, 3487, 3773, 7925, 8575, 11095, 13475, 15533, 17435, 18865, 24409, 55475, 77665, 87175, 94325, 108731, 122045, 170863, 388325, 543655, 610225, 854315, 1196041, 2718275, 4271575, 5980205, 29901025]

約数ペア:

[(1, 29901025), (5, 5980205), (7, 4271575), (11, 2718275), (25, 1196041), (35, 854315), (49, 610225), (55, 543655), (77, 388325), (175, 170863), (245, 122045), (275, 108731), (317, 94325), (343, 87175), (385, 77665), (539, 55475), (1225, 24409), (1585, 18865), (1715, 17435), (1925, 15533), (2219, 13475), (2695, 11095), (3487, 8575), (3773, 7925)]