291265132120

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3989}}^1\times {\mathrm{9173}}^1$

素因数の和:13372

約数の個数: 64

約数和(自身を含む): 658876680000

約数和(自身を除く): 367611547880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 3989, 7960, 7978, 9173, 15956, 18346, 19945, 31912, 36692, 39890, 45865, 73384, 79780, 91730, 159560, 183460, 366920, 793811, 1587622, 1825427, 3175244, 3650854, 3969055, 6350488, 7301708, 7938110, 9127135, 14603416, 15876220, 18254270, 31752440, 36508540, 36591097, 73017080, 73182194, 146364388, 182955485, 292728776, 365910970, 731821940, 1463643880, 7281628303, 14563256606, 29126513212, 36408141515, 58253026424, 72816283030, 145632566060, 291265132120]

約数ペア:

[(1, 291265132120), (2, 145632566060), (4, 72816283030), (5, 58253026424), (8, 36408141515), (10, 29126513212), (20, 14563256606), (40, 7281628303), (199, 1463643880), (398, 731821940), (796, 365910970), (995, 292728776), (1592, 182955485), (1990, 146364388), (3980, 73182194), (3989, 73017080), (7960, 36591097), (7978, 36508540), (9173, 31752440), (15956, 18254270), (18346, 15876220), (19945, 14603416), (31912, 9127135), (36692, 7938110), (39890, 7301708), (45865, 6350488), (73384, 3969055), (79780, 3650854), (91730, 3175244), (159560, 1825427), (183460, 1587622), (366920, 793811)]