204231680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 88

約数和(自身を含む): 495652392

約数和(自身を除く): 291420712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 353, 452, 512, 565, 640, 706, 904, 1024, 1130, 1280, 1412, 1765, 1808, 2260, 2560, 2824, 3530, 3616, 4520, 5120, 5648, 7060, 7232, 9040, 11296, 14120, 14464, 18080, 22592, 28240, 28928, 36160, 39889, 45184, 56480, 57856, 72320, 79778, 90368, 112960, 115712, 144640, 159556, 180736, 199445, 225920, 289280, 319112, 361472, 398890, 451840, 578560, 638224, 797780, 903680, 1276448, 1595560, 1807360, 2552896, 3191120, 5105792, 6382240, 10211584, 12764480, 20423168, 25528960, 40846336, 51057920, 102115840, 204231680]

約数ペア:

[(1, 204231680), (2, 102115840), (4, 51057920), (5, 40846336), (8, 25528960), (10, 20423168), (16, 12764480), (20, 10211584), (32, 6382240), (40, 5105792), (64, 3191120), (80, 2552896), (113, 1807360), (128, 1595560), (160, 1276448), (226, 903680), (256, 797780), (320, 638224), (353, 578560), (452, 451840), (512, 398890), (565, 361472), (640, 319112), (706, 289280), (904, 225920), (1024, 199445), (1130, 180736), (1280, 159556), (1412, 144640), (1765, 115712), (1808, 112960), (2260, 90368), (2560, 79778), (2824, 72320), (3530, 57856), (3616, 56480), (4520, 45184), (5120, 39889), (5648, 36160), (7060, 28928), (7232, 28240), (9040, 22592), (11296, 18080), (14120, 14464)]