317809880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 731427840

約数和(自身を除く): 413617960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 146, 254, 292, 365, 508, 584, 635, 730, 857, 1016, 1270, 1460, 1714, 2540, 2920, 3428, 4285, 5080, 6856, 8570, 9271, 17140, 18542, 34280, 37084, 46355, 62561, 74168, 92710, 108839, 125122, 185420, 217678, 250244, 312805, 370840, 435356, 500488, 544195, 625610, 870712, 1088390, 1251220, 2176780, 2502440, 4353560, 7945247, 15890494, 31780988, 39726235, 63561976, 79452470, 158904940, 317809880]

約数ペア:

[(1, 317809880), (2, 158904940), (4, 79452470), (5, 63561976), (8, 39726235), (10, 31780988), (20, 15890494), (40, 7945247), (73, 4353560), (127, 2502440), (146, 2176780), (254, 1251220), (292, 1088390), (365, 870712), (508, 625610), (584, 544195), (635, 500488), (730, 435356), (857, 370840), (1016, 312805), (1270, 250244), (1460, 217678), (1714, 185420), (2540, 125122), (2920, 108839), (3428, 92710), (4285, 74168), (5080, 62561), (6856, 46355), (8570, 37084), (9271, 34280), (17140, 18542)]