213280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 532224

約数和(自身を除く): 318944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 992, 1240, 1333, 1376, 1720, 2480, 2666, 3440, 4960, 5332, 6665, 6880, 10664, 13330, 21328, 26660, 42656, 53320, 106640, 213280]

約数ペア:

[(1, 213280), (2, 106640), (4, 53320), (5, 42656), (8, 26660), (10, 21328), (16, 13330), (20, 10664), (31, 6880), (32, 6665), (40, 5332), (43, 4960), (62, 3440), (80, 2666), (86, 2480), (124, 1720), (155, 1376), (160, 1333), (172, 1240), (215, 992), (248, 860), (310, 688), (344, 620), (430, 496)]