206842880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 88

約数和(自身を含む): 504053280

約数和(自身を除く): 297210400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 569, 640, 710, 1024, 1136, 1138, 1280, 1420, 2272, 2276, 2560, 2840, 2845, 4544, 4552, 5120, 5680, 5690, 9088, 9104, 11360, 11380, 18176, 18208, 22720, 22760, 36352, 36416, 40399, 45440, 45520, 72704, 72832, 80798, 90880, 91040, 145664, 161596, 181760, 182080, 201995, 291328, 323192, 363520, 364160, 403990, 582656, 646384, 728320, 807980, 1292768, 1456640, 1615960, 2585536, 2913280, 3231920, 5171072, 6463840, 10342144, 12927680, 20684288, 25855360, 41368576, 51710720, 103421440, 206842880]

約数ペア:

[(1, 206842880), (2, 103421440), (4, 51710720), (5, 41368576), (8, 25855360), (10, 20684288), (16, 12927680), (20, 10342144), (32, 6463840), (40, 5171072), (64, 3231920), (71, 2913280), (80, 2585536), (128, 1615960), (142, 1456640), (160, 1292768), (256, 807980), (284, 728320), (320, 646384), (355, 582656), (512, 403990), (568, 364160), (569, 363520), (640, 323192), (710, 291328), (1024, 201995), (1136, 182080), (1138, 181760), (1280, 161596), (1420, 145664), (2272, 91040), (2276, 90880), (2560, 80798), (2840, 72832), (2845, 72704), (4544, 45520), (4552, 45440), (5120, 40399), (5680, 36416), (5690, 36352), (9088, 22760), (9104, 22720), (11360, 18208), (11380, 18176)]