199980928

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 508204800

約数和(自身を除く): 308223872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 128, 133, 136, 152, 224, 238, 266, 272, 304, 323, 448, 476, 532, 544, 608, 646, 691, 896, 952, 1064, 1088, 1216, 1292, 1382, 1904, 2128, 2176, 2261, 2432, 2584, 2764, 3808, 4256, 4522, 4837, 5168, 5528, 7616, 8512, 9044, 9674, 10336, 11056, 11747, 13129, 15232, 17024, 18088, 19348, 20672, 22112, 23494, 26258, 36176, 38696, 41344, 44224, 46988, 52516, 72352, 77392, 82229, 88448, 91903, 93976, 105032, 144704, 154784, 164458, 183806, 187952, 210064, 223193, 289408, 309568, 328916, 367612, 375904, 420128, 446386, 619136, 657832, 735224, 751808, 840256, 892772, 1315664, 1470448, 1503616, 1562351, 1680512, 1785544, 2631328, 2940896, 3124702, 3571088, 5262656, 5881792, 6249404, 7142176, 10525312, 11763584, 12498808, 14284352, 24997616, 28568704, 49995232, 99990464, 199980928]

約数ペア:

[(1, 199980928), (2, 99990464), (4, 49995232), (7, 28568704), (8, 24997616), (14, 14284352), (16, 12498808), (17, 11763584), (19, 10525312), (28, 7142176), (32, 6249404), (34, 5881792), (38, 5262656), (56, 3571088), (64, 3124702), (68, 2940896), (76, 2631328), (112, 1785544), (119, 1680512), (128, 1562351), (133, 1503616), (136, 1470448), (152, 1315664), (224, 892772), (238, 840256), (266, 751808), (272, 735224), (304, 657832), (323, 619136), (448, 446386), (476, 420128), (532, 375904), (544, 367612), (608, 328916), (646, 309568), (691, 289408), (896, 223193), (952, 210064), (1064, 187952), (1088, 183806), (1216, 164458), (1292, 154784), (1382, 144704), (1904, 105032), (2128, 93976), (2176, 91903), (2261, 88448), (2432, 82229), (2584, 77392), (2764, 72352), (3808, 52516), (4256, 46988), (4522, 44224), (4837, 41344), (5168, 38696), (5528, 36176), (7616, 26258), (8512, 23494), (9044, 22112), (9674, 20672), (10336, 19348), (11056, 18088), (11747, 17024), (13129, 15232)]