16880710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1993}}^1$

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 38189088

約数和(自身を除く): 21308378

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 1993, 3986, 4235, 8470, 9965, 13951, 19930, 21923, 27902, 43846, 69755, 109615, 139510, 153461, 219230, 241153, 306922, 482306, 767305, 1205765, 1534610, 1688071, 2411530, 3376142, 8440355, 16880710]

約数ペア:

[(1, 16880710), (2, 8440355), (5, 3376142), (7, 2411530), (10, 1688071), (11, 1534610), (14, 1205765), (22, 767305), (35, 482306), (55, 306922), (70, 241153), (77, 219230), (110, 153461), (121, 139510), (154, 109615), (242, 69755), (385, 43846), (605, 27902), (770, 21923), (847, 19930), (1210, 13951), (1694, 9965), (1993, 8470), (3986, 4235)]