71871580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1795

約数の個数: 72

約数和(自身を含む): 175757904

約数和(自身を除く): 103886324

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1747, 1870, 2057, 2420, 3494, 3740, 4114, 6988, 8228, 8735, 10285, 17470, 19217, 20570, 29699, 34940, 38434, 41140, 59398, 76868, 96085, 118796, 148495, 192170, 211387, 296990, 326689, 384340, 422774, 593980, 653378, 845548, 1056935, 1306756, 1633445, 2113870, 3266890, 3593579, 4227740, 6533780, 7187158, 14374316, 17967895, 35935790, 71871580]

約数ペア:

[(1, 71871580), (2, 35935790), (4, 17967895), (5, 14374316), (10, 7187158), (11, 6533780), (17, 4227740), (20, 3593579), (22, 3266890), (34, 2113870), (44, 1633445), (55, 1306756), (68, 1056935), (85, 845548), (110, 653378), (121, 593980), (170, 422774), (187, 384340), (220, 326689), (242, 296990), (340, 211387), (374, 192170), (484, 148495), (605, 118796), (748, 96085), (935, 76868), (1210, 59398), (1747, 41140), (1870, 38434), (2057, 34940), (2420, 29699), (3494, 20570), (3740, 19217), (4114, 17470), (6988, 10285), (8228, 8735)]