201717890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{3547}}^1$

素因数の和:3623

約数の個数: 48

約数和(自身を含む): 407707776

約数和(自身を除く): 205989886

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 235, 242, 470, 517, 605, 1034, 1210, 2585, 3547, 5170, 5687, 7094, 11374, 17735, 28435, 35470, 39017, 56870, 78034, 166709, 195085, 333418, 390170, 429187, 833545, 858374, 1667090, 1833799, 2145935, 3667598, 4291870, 9168995, 18337990, 20171789, 40343578, 100858945, 201717890]

約数ペア:

[(1, 201717890), (2, 100858945), (5, 40343578), (10, 20171789), (11, 18337990), (22, 9168995), (47, 4291870), (55, 3667598), (94, 2145935), (110, 1833799), (121, 1667090), (235, 858374), (242, 833545), (470, 429187), (517, 390170), (605, 333418), (1034, 195085), (1210, 166709), (2585, 78034), (3547, 56870), (5170, 39017), (5687, 35470), (7094, 28435), (11374, 17735)]