235990120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 557280000

約数和(自身を除く): 321289880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 199, 230, 398, 460, 796, 920, 995, 1289, 1592, 1990, 2578, 3980, 4577, 5156, 6445, 7960, 9154, 10312, 12890, 18308, 22885, 25780, 29647, 36616, 45770, 51560, 59294, 91540, 118588, 148235, 183080, 237176, 256511, 296470, 513022, 592940, 1026044, 1185880, 1282555, 2052088, 2565110, 5130220, 5899753, 10260440, 11799506, 23599012, 29498765, 47198024, 58997530, 117995060, 235990120]

約数ペア:

[(1, 235990120), (2, 117995060), (4, 58997530), (5, 47198024), (8, 29498765), (10, 23599012), (20, 11799506), (23, 10260440), (40, 5899753), (46, 5130220), (92, 2565110), (115, 2052088), (184, 1282555), (199, 1185880), (230, 1026044), (398, 592940), (460, 513022), (796, 296470), (920, 256511), (995, 237176), (1289, 183080), (1592, 148235), (1990, 118588), (2578, 91540), (3980, 59294), (4577, 51560), (5156, 45770), (6445, 36616), (7960, 29647), (9154, 25780), (10312, 22885), (12890, 18308)]