397760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:141

約数の個数: 56

約数和(自身を含む): 1042416

約数和(自身を除く): 644656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 113, 160, 176, 220, 226, 320, 352, 440, 452, 565, 704, 880, 904, 1130, 1243, 1760, 1808, 2260, 2486, 3520, 3616, 4520, 4972, 6215, 7232, 9040, 9944, 12430, 18080, 19888, 24860, 36160, 39776, 49720, 79552, 99440, 198880, 397760]

約数ペア:

[(1, 397760), (2, 198880), (4, 99440), (5, 79552), (8, 49720), (10, 39776), (11, 36160), (16, 24860), (20, 19888), (22, 18080), (32, 12430), (40, 9944), (44, 9040), (55, 7232), (64, 6215), (80, 4972), (88, 4520), (110, 3616), (113, 3520), (160, 2486), (176, 2260), (220, 1808), (226, 1760), (320, 1243), (352, 1130), (440, 904), (452, 880), (565, 704)]