71219390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 143065440

約数和(自身を除く): 71846050

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 355, 605, 710, 781, 829, 1210, 1562, 1658, 3905, 4145, 7810, 8290, 8591, 9119, 17182, 18238, 42955, 45595, 58859, 85910, 91190, 100309, 117718, 200618, 294295, 501545, 588590, 647449, 1003090, 1294898, 3237245, 6474490, 7121939, 14243878, 35609695, 71219390]

約数ペア:

[(1, 71219390), (2, 35609695), (5, 14243878), (10, 7121939), (11, 6474490), (22, 3237245), (55, 1294898), (71, 1003090), (110, 647449), (121, 588590), (142, 501545), (242, 294295), (355, 200618), (605, 117718), (710, 100309), (781, 91190), (829, 85910), (1210, 58859), (1562, 45595), (1658, 42955), (3905, 18238), (4145, 17182), (7810, 9119), (8290, 8591)]