488570128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 1001721600

約数和(自身を除く): 513151472

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 89, 101, 158, 172, 178, 202, 316, 344, 356, 404, 632, 688, 712, 808, 1264, 1424, 1616, 3397, 3827, 4343, 6794, 7031, 7654, 7979, 8686, 8989, 13588, 14062, 15308, 15958, 17372, 17978, 27176, 28124, 30616, 31916, 34744, 35956, 54352, 56248, 61232, 63832, 69488, 71912, 112496, 127664, 143824, 302333, 343097, 386527, 604666, 686194, 710131, 773054, 1209332, 1372388, 1420262, 1546108, 2418664, 2744776, 2840524, 3092216, 4837328, 5489552, 5681048, 6184432, 11362096, 30535633, 61071266, 122142532, 244285064, 488570128]

約数ペア:

[(1, 488570128), (2, 244285064), (4, 122142532), (8, 61071266), (16, 30535633), (43, 11362096), (79, 6184432), (86, 5681048), (89, 5489552), (101, 4837328), (158, 3092216), (172, 2840524), (178, 2744776), (202, 2418664), (316, 1546108), (344, 1420262), (356, 1372388), (404, 1209332), (632, 773054), (688, 710131), (712, 686194), (808, 604666), (1264, 386527), (1424, 343097), (1616, 302333), (3397, 143824), (3827, 127664), (4343, 112496), (6794, 71912), (7031, 69488), (7654, 63832), (7979, 61232), (8686, 56248), (8989, 54352), (13588, 35956), (14062, 34744), (15308, 31916), (15958, 30616), (17372, 28124), (17978, 27176)]