289968560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2711}}^1$

素因数の和:2922

約数の個数: 80

約数和(自身を含む): 774807552

約数和(自身を除く): 484838992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 560, 764, 955, 1337, 1528, 1910, 2674, 2711, 3056, 3820, 5348, 5422, 6685, 7640, 10696, 10844, 13370, 13555, 15280, 18977, 21392, 21688, 26740, 27110, 37954, 43376, 53480, 54220, 75908, 94885, 106960, 108440, 151816, 189770, 216880, 303632, 379540, 517801, 759080, 1035602, 1518160, 2071204, 2589005, 3624607, 4142408, 5178010, 7249214, 8284816, 10356020, 14498428, 18123035, 20712040, 28996856, 36246070, 41424080, 57993712, 72492140, 144984280, 289968560]

約数ペア:

[(1, 289968560), (2, 144984280), (4, 72492140), (5, 57993712), (7, 41424080), (8, 36246070), (10, 28996856), (14, 20712040), (16, 18123035), (20, 14498428), (28, 10356020), (35, 8284816), (40, 7249214), (56, 5178010), (70, 4142408), (80, 3624607), (112, 2589005), (140, 2071204), (191, 1518160), (280, 1035602), (382, 759080), (560, 517801), (764, 379540), (955, 303632), (1337, 216880), (1528, 189770), (1910, 151816), (2674, 108440), (2711, 106960), (3056, 94885), (3820, 75908), (5348, 54220), (5422, 53480), (6685, 43376), (7640, 37954), (10696, 27110), (10844, 26740), (13370, 21688), (13555, 21392), (15280, 18977)]