219872975

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 324741120

約数和(自身を除く): 104868145

約数列:

[1, 5, 7, 25, 35, 43, 61, 175, 215, 301, 305, 427, 479, 1075, 1505, 1525, 2135, 2395, 2623, 3353, 7525, 10675, 11975, 13115, 16765, 18361, 20597, 29219, 65575, 83825, 91805, 102985, 144179, 146095, 204533, 459025, 514925, 720895, 730475, 1022665, 1256417, 3604475, 5113325, 6282085, 8794919, 31410425, 43974595, 219872975]

約数ペア:

[(1, 219872975), (5, 43974595), (7, 31410425), (25, 8794919), (35, 6282085), (43, 5113325), (61, 3604475), (175, 1256417), (215, 1022665), (301, 730475), (305, 720895), (427, 514925), (479, 459025), (1075, 204533), (1505, 146095), (1525, 144179), (2135, 102985), (2395, 91805), (2623, 83825), (3353, 65575), (7525, 29219), (10675, 20597), (11975, 18361), (13115, 16765)]