43120400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 111629760

約数和(自身を除く): 68509360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 43, 46, 50, 80, 86, 92, 100, 109, 115, 172, 184, 200, 215, 218, 230, 344, 368, 400, 430, 436, 460, 545, 575, 688, 860, 872, 920, 989, 1075, 1090, 1150, 1720, 1744, 1840, 1978, 2150, 2180, 2300, 2507, 2725, 3440, 3956, 4300, 4360, 4600, 4687, 4945, 5014, 5450, 7912, 8600, 8720, 9200, 9374, 9890, 10028, 10900, 12535, 15824, 17200, 18748, 19780, 20056, 21800, 23435, 24725, 25070, 37496, 39560, 40112, 43600, 46870, 49450, 50140, 62675, 74992, 79120, 93740, 98900, 100280, 107801, 117175, 125350, 187480, 197800, 200560, 215602, 234350, 250700, 374960, 395600, 431204, 468700, 501400, 539005, 862408, 937400, 1002800, 1078010, 1724816, 1874800, 2156020, 2695025, 4312040, 5390050, 8624080, 10780100, 21560200, 43120400]

約数ペア:

[(1, 43120400), (2, 21560200), (4, 10780100), (5, 8624080), (8, 5390050), (10, 4312040), (16, 2695025), (20, 2156020), (23, 1874800), (25, 1724816), (40, 1078010), (43, 1002800), (46, 937400), (50, 862408), (80, 539005), (86, 501400), (92, 468700), (100, 431204), (109, 395600), (115, 374960), (172, 250700), (184, 234350), (200, 215602), (215, 200560), (218, 197800), (230, 187480), (344, 125350), (368, 117175), (400, 107801), (430, 100280), (436, 98900), (460, 93740), (545, 79120), (575, 74992), (688, 62675), (860, 50140), (872, 49450), (920, 46870), (989, 43600), (1075, 40112), (1090, 39560), (1150, 37496), (1720, 25070), (1744, 24725), (1840, 23435), (1978, 21800), (2150, 20056), (2180, 19780), (2300, 18748), (2507, 17200), (2725, 15824), (3440, 12535), (3956, 10900), (4300, 10028), (4360, 9890), (4600, 9374), (4687, 9200), (4945, 8720), (5014, 8600), (5450, 7912)]