199797872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 433097280

約数和(自身を除く): 233299408

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 109, 136, 184, 218, 272, 293, 368, 391, 436, 586, 782, 872, 1172, 1564, 1744, 1853, 2344, 2507, 3128, 3706, 4688, 4981, 5014, 6256, 6739, 7412, 9962, 10028, 13478, 14824, 19924, 20056, 26956, 29648, 31937, 39848, 40112, 42619, 53912, 63874, 79696, 85238, 107824, 114563, 127748, 170476, 229126, 255496, 340952, 458252, 510992, 542929, 681904, 734551, 916504, 1085858, 1469102, 1833008, 2171716, 2938204, 4343432, 5876408, 8686864, 11752816, 12487367, 24974734, 49949468, 99898936, 199797872]

約数ペア:

[(1, 199797872), (2, 99898936), (4, 49949468), (8, 24974734), (16, 12487367), (17, 11752816), (23, 8686864), (34, 5876408), (46, 4343432), (68, 2938204), (92, 2171716), (109, 1833008), (136, 1469102), (184, 1085858), (218, 916504), (272, 734551), (293, 681904), (368, 542929), (391, 510992), (436, 458252), (586, 340952), (782, 255496), (872, 229126), (1172, 170476), (1564, 127748), (1744, 114563), (1853, 107824), (2344, 85238), (2507, 79696), (3128, 63874), (3706, 53912), (4688, 42619), (4981, 40112), (5014, 39848), (6256, 31937), (6739, 29648), (7412, 26956), (9962, 20056), (10028, 19924), (13478, 14824)]