198880

素因数分解:

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

素因数の和:139

約数の個数: 48

約数和(自身を含む): 517104

約数和(自身を除く): 318224

約数列:

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

約数ペア:

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