278123196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 770201600

約数和(自身を除く): 492078404

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 186, 199, 204, 221, 289, 372, 398, 403, 442, 527, 578, 597, 663, 796, 806, 867, 884, 1054, 1156, 1194, 1209, 1326, 1581, 1612, 1734, 2108, 2388, 2418, 2587, 2652, 3162, 3383, 3468, 3757, 4836, 5174, 6169, 6324, 6766, 6851, 7514, 7761, 8959, 10149, 10348, 11271, 12338, 13532, 13702, 15028, 15522, 17918, 18507, 20298, 20553, 22542, 24676, 26877, 27404, 31044, 35836, 37014, 40596, 41106, 43979, 45084, 53754, 57511, 74028, 80197, 82212, 87958, 104873, 107508, 115022, 116467, 131937, 160394, 172533, 175916, 209746, 230044, 232934, 240591, 263874, 314619, 320788, 345066, 349401, 419492, 465868, 481182, 527748, 629238, 690132, 698802, 747643, 962364, 1258476, 1363349, 1397604, 1495286, 1782841, 2242929, 2726698, 2990572, 3565682, 4090047, 4485858, 5348523, 5453396, 7131364, 8180094, 8971716, 10697046, 16360188, 21394092, 23176933, 46353866, 69530799, 92707732, 139061598, 278123196]

約数ペア:

[(1, 278123196), (2, 139061598), (3, 92707732), (4, 69530799), (6, 46353866), (12, 23176933), (13, 21394092), (17, 16360188), (26, 10697046), (31, 8971716), (34, 8180094), (39, 7131364), (51, 5453396), (52, 5348523), (62, 4485858), (68, 4090047), (78, 3565682), (93, 2990572), (102, 2726698), (124, 2242929), (156, 1782841), (186, 1495286), (199, 1397604), (204, 1363349), (221, 1258476), (289, 962364), (372, 747643), (398, 698802), (403, 690132), (442, 629238), (527, 527748), (578, 481182), (597, 465868), (663, 419492), (796, 349401), (806, 345066), (867, 320788), (884, 314619), (1054, 263874), (1156, 240591), (1194, 232934), (1209, 230044), (1326, 209746), (1581, 175916), (1612, 172533), (1734, 160394), (2108, 131937), (2388, 116467), (2418, 115022), (2587, 107508), (2652, 104873), (3162, 87958), (3383, 82212), (3468, 80197), (3757, 74028), (4836, 57511), (5174, 53754), (6169, 45084), (6324, 43979), (6766, 41106), (6851, 40596), (7514, 37014), (7761, 35836), (8959, 31044), (10149, 27404), (10348, 26877), (11271, 24676), (12338, 22542), (13532, 20553), (13702, 20298), (15028, 18507), (15522, 17918)]