255289600

素因数分解:

$2^8\times 5^2\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 108

約数和(自身を含む): 639279396

約数和(自身を除く): 383989796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 128, 160, 200, 226, 256, 320, 353, 400, 452, 565, 640, 706, 800, 904, 1130, 1280, 1412, 1600, 1765, 1808, 2260, 2824, 2825, 3200, 3530, 3616, 4520, 5648, 5650, 6400, 7060, 7232, 8825, 9040, 11296, 11300, 14120, 14464, 17650, 18080, 22592, 22600, 28240, 28928, 35300, 36160, 39889, 45184, 45200, 56480, 70600, 72320, 79778, 90368, 90400, 112960, 141200, 144640, 159556, 180800, 199445, 225920, 282400, 319112, 361600, 398890, 451840, 564800, 638224, 723200, 797780, 997225, 1129600, 1276448, 1595560, 1994450, 2259200, 2552896, 3191120, 3988900, 5105792, 6382240, 7977800, 10211584, 12764480, 15955600, 25528960, 31911200, 51057920, 63822400, 127644800, 255289600]

約数ペア:

[(1, 255289600), (2, 127644800), (4, 63822400), (5, 51057920), (8, 31911200), (10, 25528960), (16, 15955600), (20, 12764480), (25, 10211584), (32, 7977800), (40, 6382240), (50, 5105792), (64, 3988900), (80, 3191120), (100, 2552896), (113, 2259200), (128, 1994450), (160, 1595560), (200, 1276448), (226, 1129600), (256, 997225), (320, 797780), (353, 723200), (400, 638224), (452, 564800), (565, 451840), (640, 398890), (706, 361600), (800, 319112), (904, 282400), (1130, 225920), (1280, 199445), (1412, 180800), (1600, 159556), (1765, 144640), (1808, 141200), (2260, 112960), (2824, 90400), (2825, 90368), (3200, 79778), (3530, 72320), (3616, 70600), (4520, 56480), (5648, 45200), (5650, 45184), (6400, 39889), (7060, 36160), (7232, 35300), (8825, 28928), (9040, 28240), (11296, 22600), (11300, 22592), (14120, 18080), (14464, 17650)]