203807840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 499867200

約数和(自身を除く): 296059360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 173, 185, 199, 296, 346, 370, 398, 592, 692, 740, 796, 865, 995, 1184, 1384, 1480, 1592, 1730, 1990, 2768, 2960, 3184, 3460, 3980, 5536, 5920, 6368, 6401, 6920, 7363, 7960, 12802, 13840, 14726, 15920, 25604, 27680, 29452, 31840, 32005, 34427, 36815, 51208, 58904, 64010, 68854, 73630, 102416, 117808, 128020, 137708, 147260, 172135, 204832, 235616, 256040, 275416, 294520, 344270, 512080, 550832, 589040, 688540, 1024160, 1101664, 1178080, 1273799, 1377080, 2547598, 2754160, 5095196, 5508320, 6368995, 10190392, 12737990, 20380784, 25475980, 40761568, 50951960, 101903920, 203807840]

約数ペア:

[(1, 203807840), (2, 101903920), (4, 50951960), (5, 40761568), (8, 25475980), (10, 20380784), (16, 12737990), (20, 10190392), (32, 6368995), (37, 5508320), (40, 5095196), (74, 2754160), (80, 2547598), (148, 1377080), (160, 1273799), (173, 1178080), (185, 1101664), (199, 1024160), (296, 688540), (346, 589040), (370, 550832), (398, 512080), (592, 344270), (692, 294520), (740, 275416), (796, 256040), (865, 235616), (995, 204832), (1184, 172135), (1384, 147260), (1480, 137708), (1592, 128020), (1730, 117808), (1990, 102416), (2768, 73630), (2960, 68854), (3184, 64010), (3460, 58904), (3980, 51208), (5536, 36815), (5920, 34427), (6368, 32005), (6401, 31840), (6920, 29452), (7363, 27680), (7960, 25604), (12802, 15920), (13840, 14726)]