207910225

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 274288000

約数和(自身を除く): 66377775

約数列:

[1, 5, 23, 25, 79, 115, 199, 395, 529, 575, 995, 1817, 1975, 2645, 4577, 4975, 9085, 13225, 15721, 22885, 41791, 45425, 78605, 105271, 114425, 208955, 361583, 393025, 526355, 1044775, 1807915, 2631775, 8316409, 9039575, 41582045, 207910225]

約数ペア:

[(1, 207910225), (5, 41582045), (23, 9039575), (25, 8316409), (79, 2631775), (115, 1807915), (199, 1044775), (395, 526355), (529, 393025), (575, 361583), (995, 208955), (1817, 114425), (1975, 105271), (2645, 78605), (4577, 45425), (4975, 41791), (9085, 22885), (13225, 15721)]