408397568

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 858480000

約数和(自身を除く): 450082432

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 139, 184, 256, 278, 368, 499, 556, 736, 998, 1112, 1472, 1996, 2224, 2944, 3197, 3992, 4448, 5888, 6394, 7984, 8896, 11477, 12788, 15968, 17792, 22954, 25576, 31936, 35584, 45908, 51152, 63872, 69361, 91816, 102304, 127744, 138722, 183632, 204608, 277444, 367264, 409216, 554888, 734528, 818432, 1109776, 1469056, 1595303, 2219552, 2938112, 3190606, 4439104, 6381212, 8878208, 12762424, 17756416, 25524848, 51049696, 102099392, 204198784, 408397568]

約数ペア:

[(1, 408397568), (2, 204198784), (4, 102099392), (8, 51049696), (16, 25524848), (23, 17756416), (32, 12762424), (46, 8878208), (64, 6381212), (92, 4439104), (128, 3190606), (139, 2938112), (184, 2219552), (256, 1595303), (278, 1469056), (368, 1109776), (499, 818432), (556, 734528), (736, 554888), (998, 409216), (1112, 367264), (1472, 277444), (1996, 204608), (2224, 183632), (2944, 138722), (3197, 127744), (3992, 102304), (4448, 91816), (5888, 69361), (6394, 63872), (7984, 51152), (8896, 45908), (11477, 35584), (12788, 31936), (15968, 25576), (17792, 22954)]