68781790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1823}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 88811810

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 343, 385, 490, 539, 686, 770, 1078, 1715, 1823, 2695, 3430, 3646, 3773, 5390, 7546, 9115, 12761, 18230, 18865, 20053, 25522, 37730, 40106, 63805, 89327, 100265, 127610, 140371, 178654, 200530, 280742, 446635, 625289, 701855, 893270, 982597, 1250578, 1403710, 1965194, 3126445, 4912985, 6252890, 6878179, 9825970, 13756358, 34390895, 68781790]

約数ペア:

[(1, 68781790), (2, 34390895), (5, 13756358), (7, 9825970), (10, 6878179), (11, 6252890), (14, 4912985), (22, 3126445), (35, 1965194), (49, 1403710), (55, 1250578), (70, 982597), (77, 893270), (98, 701855), (110, 625289), (154, 446635), (245, 280742), (343, 200530), (385, 178654), (490, 140371), (539, 127610), (686, 100265), (770, 89327), (1078, 63805), (1715, 40106), (1823, 37730), (2695, 25522), (3430, 20053), (3646, 18865), (3773, 18230), (5390, 12761), (7546, 9115)]