2049829744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^2\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 60

約数和(自身を含む): 4228763320

約数和(自身を除く): 2178933576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 661, 808, 1322, 1616, 1919, 2644, 3838, 5288, 7676, 10201, 10576, 12559, 15352, 20402, 25118, 30704, 40804, 50236, 66761, 81608, 100472, 133522, 163216, 193819, 200944, 267044, 387638, 534088, 775276, 1068176, 1268459, 1550552, 2536918, 3101104, 5073836, 6742861, 10147672, 13485722, 20295344, 26971444, 53942888, 107885776, 128114359, 256228718, 512457436, 1024914872, 2049829744]

約数ペア:

[(1, 2049829744), (2, 1024914872), (4, 512457436), (8, 256228718), (16, 128114359), (19, 107885776), (38, 53942888), (76, 26971444), (101, 20295344), (152, 13485722), (202, 10147672), (304, 6742861), (404, 5073836), (661, 3101104), (808, 2536918), (1322, 1550552), (1616, 1268459), (1919, 1068176), (2644, 775276), (3838, 534088), (5288, 387638), (7676, 267044), (10201, 200944), (10576, 193819), (12559, 163216), (15352, 133522), (20402, 100472), (25118, 81608), (30704, 66761), (40804, 50236)]