420138400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47743}}^1$

素因数の和:47774

約数の個数: 72

約数和(自身を含む): 1118928384

約数和(自身を除く): 698789984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 4400, 8800, 47743, 95486, 190972, 238715, 381944, 477430, 525173, 763888, 954860, 1050346, 1193575, 1527776, 1909720, 2100692, 2387150, 2625865, 3819440, 4201384, 4774300, 5251730, 7638880, 8402768, 9548600, 10503460, 13129325, 16805536, 19097200, 21006920, 26258650, 38194400, 42013840, 52517300, 84027680, 105034600, 210069200, 420138400]

約数ペア:

[(1, 420138400), (2, 210069200), (4, 105034600), (5, 84027680), (8, 52517300), (10, 42013840), (11, 38194400), (16, 26258650), (20, 21006920), (22, 19097200), (25, 16805536), (32, 13129325), (40, 10503460), (44, 9548600), (50, 8402768), (55, 7638880), (80, 5251730), (88, 4774300), (100, 4201384), (110, 3819440), (160, 2625865), (176, 2387150), (200, 2100692), (220, 1909720), (275, 1527776), (352, 1193575), (400, 1050346), (440, 954860), (550, 763888), (800, 525173), (880, 477430), (1100, 381944), (1760, 238715), (2200, 190972), (4400, 95486), (8800, 47743)]