77980870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 164630592

約数和(自身を除く): 86649722

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 223, 242, 289, 374, 446, 578, 605, 935, 1115, 1210, 1445, 1870, 2057, 2230, 2453, 2890, 3179, 3791, 4114, 4906, 6358, 7582, 10285, 12265, 15895, 18955, 20570, 24530, 26983, 31790, 34969, 37910, 41701, 53966, 64447, 69938, 83402, 128894, 134915, 174845, 208505, 269830, 322235, 349690, 417010, 458711, 644470, 708917, 917422, 1417834, 2293555, 3544585, 4587110, 7089170, 7798087, 15596174, 38990435, 77980870]

約数ペア:

[(1, 77980870), (2, 38990435), (5, 15596174), (10, 7798087), (11, 7089170), (17, 4587110), (22, 3544585), (34, 2293555), (55, 1417834), (85, 917422), (110, 708917), (121, 644470), (170, 458711), (187, 417010), (223, 349690), (242, 322235), (289, 269830), (374, 208505), (446, 174845), (578, 134915), (605, 128894), (935, 83402), (1115, 69938), (1210, 64447), (1445, 53966), (1870, 41701), (2057, 37910), (2230, 34969), (2453, 31790), (2890, 26983), (3179, 24530), (3791, 20570), (4114, 18955), (4906, 15895), (6358, 12265), (7582, 10285)]