68680810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 140345856

約数和(自身を除く): 71665046

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 605, 682, 1210, 1705, 1831, 3410, 3662, 3751, 7502, 9155, 18310, 18755, 20141, 37510, 40282, 56761, 100705, 113522, 201410, 221551, 283805, 443102, 567610, 624371, 1107755, 1248742, 2215510, 3121855, 6243710, 6868081, 13736162, 34340405, 68680810]

約数ペア:

[(1, 68680810), (2, 34340405), (5, 13736162), (10, 6868081), (11, 6243710), (22, 3121855), (31, 2215510), (55, 1248742), (62, 1107755), (110, 624371), (121, 567610), (155, 443102), (242, 283805), (310, 221551), (341, 201410), (605, 113522), (682, 100705), (1210, 56761), (1705, 40282), (1831, 37510), (3410, 20141), (3662, 18755), (3751, 18310), (7502, 9155)]