253940913920

素因数分解:

$2^8\times 5^1\times {\mathrm{281}}^1\times {\mathrm{706019}}^1$

素因数の和:706321

約数の個数: 72

約数和(自身を含む): 610433364240

約数和(自身を除く): 356492450320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 320, 562, 640, 1124, 1280, 1405, 2248, 2810, 4496, 5620, 8992, 11240, 17984, 22480, 35968, 44960, 71936, 89920, 179840, 359680, 706019, 1412038, 2824076, 3530095, 5648152, 7060190, 11296304, 14120380, 22592608, 28240760, 45185216, 56481520, 90370432, 112963040, 180740864, 198391339, 225926080, 396782678, 451852160, 793565356, 903704320, 991956695, 1587130712, 1983913390, 3174261424, 3967826780, 6348522848, 7935653560, 12697045696, 15871307120, 25394091392, 31742614240, 50788182784, 63485228480, 126970456960, 253940913920]

約数ペア:

[(1, 253940913920), (2, 126970456960), (4, 63485228480), (5, 50788182784), (8, 31742614240), (10, 25394091392), (16, 15871307120), (20, 12697045696), (32, 7935653560), (40, 6348522848), (64, 3967826780), (80, 3174261424), (128, 1983913390), (160, 1587130712), (256, 991956695), (281, 903704320), (320, 793565356), (562, 451852160), (640, 396782678), (1124, 225926080), (1280, 198391339), (1405, 180740864), (2248, 112963040), (2810, 90370432), (4496, 56481520), (5620, 45185216), (8992, 28240760), (11240, 22592608), (17984, 14120380), (22480, 11296304), (35968, 7060190), (44960, 5648152), (71936, 3530095), (89920, 2824076), (179840, 1412038), (359680, 706019)]