208221392

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 441936000

約数和(自身を除く): 233714608

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 109, 116, 179, 184, 218, 232, 358, 368, 436, 464, 667, 716, 872, 1334, 1432, 1744, 2507, 2668, 2864, 3161, 4117, 5014, 5191, 5336, 6322, 8234, 10028, 10382, 10672, 12644, 16468, 19511, 20056, 20764, 25288, 32936, 39022, 40112, 41528, 50576, 65872, 72703, 78044, 83056, 119393, 145406, 156088, 238786, 290812, 312176, 448753, 477572, 565819, 581624, 897506, 955144, 1131638, 1163248, 1795012, 1910288, 2263276, 3590024, 4526552, 7180048, 9053104, 13013837, 26027674, 52055348, 104110696, 208221392]

約数ペア:

[(1, 208221392), (2, 104110696), (4, 52055348), (8, 26027674), (16, 13013837), (23, 9053104), (29, 7180048), (46, 4526552), (58, 3590024), (92, 2263276), (109, 1910288), (116, 1795012), (179, 1163248), (184, 1131638), (218, 955144), (232, 897506), (358, 581624), (368, 565819), (436, 477572), (464, 448753), (667, 312176), (716, 290812), (872, 238786), (1334, 156088), (1432, 145406), (1744, 119393), (2507, 83056), (2668, 78044), (2864, 72703), (3161, 65872), (4117, 50576), (5014, 41528), (5191, 40112), (5336, 39022), (6322, 32936), (8234, 25288), (10028, 20764), (10382, 20056), (10672, 19511), (12644, 16468)]