289897120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 712889856

約数和(自身を除く): 422992736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 211, 248, 277, 310, 422, 496, 554, 620, 844, 992, 1055, 1108, 1240, 1385, 1688, 2110, 2216, 2480, 2770, 3376, 4220, 4432, 4960, 5540, 6541, 6752, 8440, 8587, 8864, 11080, 13082, 16880, 17174, 22160, 26164, 32705, 33760, 34348, 42935, 44320, 52328, 58447, 65410, 68696, 85870, 104656, 116894, 130820, 137392, 171740, 209312, 233788, 261640, 274784, 292235, 343480, 467576, 523280, 584470, 686960, 935152, 1046560, 1168940, 1373920, 1811857, 1870304, 2337880, 3623714, 4675760, 7247428, 9059285, 9351520, 14494856, 18118570, 28989712, 36237140, 57979424, 72474280, 144948560, 289897120]

約数ペア:

[(1, 289897120), (2, 144948560), (4, 72474280), (5, 57979424), (8, 36237140), (10, 28989712), (16, 18118570), (20, 14494856), (31, 9351520), (32, 9059285), (40, 7247428), (62, 4675760), (80, 3623714), (124, 2337880), (155, 1870304), (160, 1811857), (211, 1373920), (248, 1168940), (277, 1046560), (310, 935152), (422, 686960), (496, 584470), (554, 523280), (620, 467576), (844, 343480), (992, 292235), (1055, 274784), (1108, 261640), (1240, 233788), (1385, 209312), (1688, 171740), (2110, 137392), (2216, 130820), (2480, 116894), (2770, 104656), (3376, 85870), (4220, 68696), (4432, 65410), (4960, 58447), (5540, 52328), (6541, 44320), (6752, 42935), (8440, 34348), (8587, 33760), (8864, 32705), (11080, 26164), (13082, 22160), (16880, 17174)]