231566180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 539675136

約数和(自身を除く): 308108956

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 47, 68, 85, 86, 94, 170, 172, 188, 215, 235, 337, 340, 430, 470, 674, 731, 799, 860, 940, 1348, 1462, 1598, 1685, 2021, 2924, 3196, 3370, 3655, 3995, 4042, 5729, 6740, 7310, 7990, 8084, 10105, 11458, 14491, 14620, 15839, 15980, 20210, 22916, 28645, 28982, 31678, 34357, 40420, 57290, 57964, 63356, 68714, 72455, 79195, 114580, 137428, 144910, 158390, 171785, 246347, 269263, 289820, 316780, 343570, 492694, 538526, 681077, 687140, 985388, 1077052, 1231735, 1346315, 1362154, 2463470, 2692630, 2724308, 3405385, 4926940, 5385260, 6810770, 11578309, 13621540, 23156618, 46313236, 57891545, 115783090, 231566180]

約数ペア:

[(1, 231566180), (2, 115783090), (4, 57891545), (5, 46313236), (10, 23156618), (17, 13621540), (20, 11578309), (34, 6810770), (43, 5385260), (47, 4926940), (68, 3405385), (85, 2724308), (86, 2692630), (94, 2463470), (170, 1362154), (172, 1346315), (188, 1231735), (215, 1077052), (235, 985388), (337, 687140), (340, 681077), (430, 538526), (470, 492694), (674, 343570), (731, 316780), (799, 289820), (860, 269263), (940, 246347), (1348, 171785), (1462, 158390), (1598, 144910), (1685, 137428), (2021, 114580), (2924, 79195), (3196, 72455), (3370, 68714), (3655, 63356), (3995, 57964), (4042, 57290), (5729, 40420), (6740, 34357), (7310, 31678), (7990, 28982), (8084, 28645), (10105, 22916), (11458, 20210), (14491, 15980), (14620, 15839)]