219626800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:287

約数の個数: 90

約数和(自身を含む): 544744772

約数和(自身を除く): 325117972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 113, 172, 200, 215, 226, 344, 400, 430, 452, 565, 688, 860, 904, 1075, 1130, 1720, 1808, 2150, 2260, 2825, 3440, 4300, 4520, 4859, 5650, 8600, 9040, 9718, 11300, 12769, 17200, 19436, 22600, 24295, 25538, 38872, 45200, 48590, 51076, 63845, 77744, 97180, 102152, 121475, 127690, 194360, 204304, 242950, 255380, 319225, 388720, 485900, 510760, 549067, 638450, 971800, 1021520, 1098134, 1276900, 1943600, 2196268, 2553800, 2745335, 4392536, 5107600, 5490670, 8785072, 10981340, 13726675, 21962680, 27453350, 43925360, 54906700, 109813400, 219626800]

約数ペア:

[(1, 219626800), (2, 109813400), (4, 54906700), (5, 43925360), (8, 27453350), (10, 21962680), (16, 13726675), (20, 10981340), (25, 8785072), (40, 5490670), (43, 5107600), (50, 4392536), (80, 2745335), (86, 2553800), (100, 2196268), (113, 1943600), (172, 1276900), (200, 1098134), (215, 1021520), (226, 971800), (344, 638450), (400, 549067), (430, 510760), (452, 485900), (565, 388720), (688, 319225), (860, 255380), (904, 242950), (1075, 204304), (1130, 194360), (1720, 127690), (1808, 121475), (2150, 102152), (2260, 97180), (2825, 77744), (3440, 63845), (4300, 51076), (4520, 48590), (4859, 45200), (5650, 38872), (8600, 25538), (9040, 24295), (9718, 22600), (11300, 19436), (12769, 17200)]