222717640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4177}}^1$

素因数の和:4262

約数の個数: 64

約数和(自身を含む): 529436160

約数和(自身を除く): 306718520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 4177, 5332, 6665, 8354, 10664, 13330, 16708, 20885, 26660, 33416, 41770, 53320, 83540, 129487, 167080, 179611, 258974, 359222, 517948, 647435, 718444, 898055, 1035896, 1294870, 1436888, 1796110, 2589740, 3592220, 5179480, 5567941, 7184440, 11135882, 22271764, 27839705, 44543528, 55679410, 111358820, 222717640]

約数ペア:

[(1, 222717640), (2, 111358820), (4, 55679410), (5, 44543528), (8, 27839705), (10, 22271764), (20, 11135882), (31, 7184440), (40, 5567941), (43, 5179480), (62, 3592220), (86, 2589740), (124, 1796110), (155, 1436888), (172, 1294870), (215, 1035896), (248, 898055), (310, 718444), (344, 647435), (430, 517948), (620, 359222), (860, 258974), (1240, 179611), (1333, 167080), (1720, 129487), (2666, 83540), (4177, 53320), (5332, 41770), (6665, 33416), (8354, 26660), (10664, 20885), (13330, 16708)]