209978208

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:945

約数の個数: 144

約数和(自身を含む): 660441600

約数和(自身を除く): 450463392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 79, 88, 96, 99, 132, 144, 158, 176, 198, 237, 264, 288, 316, 352, 396, 474, 528, 632, 711, 792, 839, 869, 948, 1056, 1264, 1422, 1584, 1678, 1738, 1896, 2517, 2528, 2607, 2844, 3168, 3356, 3476, 3792, 5034, 5214, 5688, 6712, 6952, 7551, 7584, 7821, 9229, 10068, 10428, 11376, 13424, 13904, 15102, 15642, 18458, 20136, 20856, 22752, 26848, 27687, 27808, 30204, 31284, 36916, 40272, 41712, 55374, 60408, 62568, 66281, 73832, 80544, 83061, 83424, 110748, 120816, 125136, 132562, 147664, 166122, 198843, 221496, 241632, 250272, 265124, 295328, 332244, 397686, 442992, 530248, 596529, 664488, 729091, 795372, 885984, 1060496, 1193058, 1328976, 1458182, 1590744, 2120992, 2187273, 2386116, 2657952, 2916364, 3181488, 4374546, 4772232, 5832728, 6362976, 6561819, 8749092, 9544464, 11665456, 13123638, 17498184, 19088928, 23330912, 26247276, 34996368, 52494552, 69992736, 104989104, 209978208]

約数ペア:

[(1, 209978208), (2, 104989104), (3, 69992736), (4, 52494552), (6, 34996368), (8, 26247276), (9, 23330912), (11, 19088928), (12, 17498184), (16, 13123638), (18, 11665456), (22, 9544464), (24, 8749092), (32, 6561819), (33, 6362976), (36, 5832728), (44, 4772232), (48, 4374546), (66, 3181488), (72, 2916364), (79, 2657952), (88, 2386116), (96, 2187273), (99, 2120992), (132, 1590744), (144, 1458182), (158, 1328976), (176, 1193058), (198, 1060496), (237, 885984), (264, 795372), (288, 729091), (316, 664488), (352, 596529), (396, 530248), (474, 442992), (528, 397686), (632, 332244), (711, 295328), (792, 265124), (839, 250272), (869, 241632), (948, 221496), (1056, 198843), (1264, 166122), (1422, 147664), (1584, 132562), (1678, 125136), (1738, 120816), (1896, 110748), (2517, 83424), (2528, 83061), (2607, 80544), (2844, 73832), (3168, 66281), (3356, 62568), (3476, 60408), (3792, 55374), (5034, 41712), (5214, 40272), (5688, 36916), (6712, 31284), (6952, 30204), (7551, 27808), (7584, 27687), (7821, 26848), (9229, 22752), (10068, 20856), (10428, 20136), (11376, 18458), (13424, 15642), (13904, 15102)]