405339568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 854945280

約数和(自身を除く): 449605712

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 139, 142, 151, 272, 278, 284, 302, 556, 568, 604, 1112, 1136, 1207, 1208, 2224, 2363, 2414, 2416, 2567, 4726, 4828, 5134, 9452, 9656, 9869, 10268, 10721, 18904, 19312, 19738, 20536, 20989, 21442, 37808, 39476, 41072, 41978, 42884, 78952, 83956, 85768, 157904, 167773, 167912, 171536, 182257, 335546, 335824, 356813, 364514, 671092, 713626, 729028, 1342184, 1427252, 1458056, 1490219, 2684368, 2854504, 2916112, 2980438, 5709008, 5960876, 11921752, 23843504, 25333723, 50667446, 101334892, 202669784, 405339568]

約数ペア:

[(1, 405339568), (2, 202669784), (4, 101334892), (8, 50667446), (16, 25333723), (17, 23843504), (34, 11921752), (68, 5960876), (71, 5709008), (136, 2980438), (139, 2916112), (142, 2854504), (151, 2684368), (272, 1490219), (278, 1458056), (284, 1427252), (302, 1342184), (556, 729028), (568, 713626), (604, 671092), (1112, 364514), (1136, 356813), (1207, 335824), (1208, 335546), (2224, 182257), (2363, 171536), (2414, 167912), (2416, 167773), (2567, 157904), (4726, 85768), (4828, 83956), (5134, 78952), (9452, 42884), (9656, 41978), (9869, 41072), (10268, 39476), (10721, 37808), (18904, 21442), (19312, 20989), (19738, 20536)]