217532560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 593372736

約数和(自身を除く): 375840176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 211, 245, 263, 280, 392, 422, 490, 526, 560, 784, 844, 980, 1052, 1055, 1315, 1477, 1688, 1841, 1960, 2104, 2110, 2630, 2954, 3376, 3682, 3920, 4208, 4220, 5260, 5908, 7364, 7385, 8440, 9205, 10339, 10520, 11816, 12887, 14728, 14770, 16880, 18410, 20678, 21040, 23632, 25774, 29456, 29540, 36820, 41356, 51548, 51695, 55493, 59080, 64435, 73640, 82712, 103096, 103390, 110986, 118160, 128870, 147280, 165424, 206192, 206780, 221972, 257740, 277465, 388451, 413560, 443944, 515480, 554930, 776902, 827120, 887888, 1030960, 1109860, 1553804, 1942255, 2219720, 2719157, 3107608, 3884510, 4439440, 5438314, 6215216, 7769020, 10876628, 13595785, 15538040, 21753256, 27191570, 31076080, 43506512, 54383140, 108766280, 217532560]

約数ペア:

[(1, 217532560), (2, 108766280), (4, 54383140), (5, 43506512), (7, 31076080), (8, 27191570), (10, 21753256), (14, 15538040), (16, 13595785), (20, 10876628), (28, 7769020), (35, 6215216), (40, 5438314), (49, 4439440), (56, 3884510), (70, 3107608), (80, 2719157), (98, 2219720), (112, 1942255), (140, 1553804), (196, 1109860), (211, 1030960), (245, 887888), (263, 827120), (280, 776902), (392, 554930), (422, 515480), (490, 443944), (526, 413560), (560, 388451), (784, 277465), (844, 257740), (980, 221972), (1052, 206780), (1055, 206192), (1315, 165424), (1477, 147280), (1688, 128870), (1841, 118160), (1960, 110986), (2104, 103390), (2110, 103096), (2630, 82712), (2954, 73640), (3376, 64435), (3682, 59080), (3920, 55493), (4208, 51695), (4220, 51548), (5260, 41356), (5908, 36820), (7364, 29540), (7385, 29456), (8440, 25774), (9205, 23632), (10339, 21040), (10520, 20678), (11816, 18410), (12887, 16880), (14728, 14770)]