438525008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 929702400

約数和(自身を除く): 491177392

約数列:

[1, 2, 4, 8, 16, 29, 31, 43, 58, 62, 86, 116, 124, 172, 232, 248, 344, 464, 496, 688, 709, 899, 1247, 1333, 1418, 1798, 2494, 2666, 2836, 3596, 4988, 5332, 5672, 7192, 9976, 10664, 11344, 14384, 19952, 20561, 21328, 21979, 30487, 38657, 41122, 43958, 60974, 77314, 82244, 87916, 121948, 154628, 164488, 175832, 243896, 309256, 328976, 351664, 487792, 618512, 637391, 884123, 945097, 1274782, 1768246, 1890194, 2549564, 3536492, 3780388, 5099128, 7072984, 7560776, 10198256, 14145968, 15121552, 27407813, 54815626, 109631252, 219262504, 438525008]

約数ペア:

[(1, 438525008), (2, 219262504), (4, 109631252), (8, 54815626), (16, 27407813), (29, 15121552), (31, 14145968), (43, 10198256), (58, 7560776), (62, 7072984), (86, 5099128), (116, 3780388), (124, 3536492), (172, 2549564), (232, 1890194), (248, 1768246), (344, 1274782), (464, 945097), (496, 884123), (688, 637391), (709, 618512), (899, 487792), (1247, 351664), (1333, 328976), (1418, 309256), (1798, 243896), (2494, 175832), (2666, 164488), (2836, 154628), (3596, 121948), (4988, 87916), (5332, 82244), (5672, 77314), (7192, 60974), (9976, 43958), (10664, 41122), (11344, 38657), (14384, 30487), (19952, 21979), (20561, 21328)]