17938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 48282624

約数和(自身を除く): 30344144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 311, 412, 515, 560, 622, 721, 824, 1030, 1244, 1442, 1555, 1648, 2060, 2177, 2488, 2884, 3110, 3605, 4120, 4354, 4976, 5768, 6220, 7210, 8240, 8708, 10885, 11536, 12440, 14420, 17416, 21770, 24880, 28840, 32033, 34832, 43540, 57680, 64066, 87080, 128132, 160165, 174160, 224231, 256264, 320330, 448462, 512528, 640660, 896924, 1121155, 1281320, 1793848, 2242310, 2562640, 3587696, 4484620, 8969240, 17938480]

約数ペア:

[(1, 17938480), (2, 8969240), (4, 4484620), (5, 3587696), (7, 2562640), (8, 2242310), (10, 1793848), (14, 1281320), (16, 1121155), (20, 896924), (28, 640660), (35, 512528), (40, 448462), (56, 320330), (70, 256264), (80, 224231), (103, 174160), (112, 160165), (140, 128132), (206, 87080), (280, 64066), (311, 57680), (412, 43540), (515, 34832), (560, 32033), (622, 28840), (721, 24880), (824, 21770), (1030, 17416), (1244, 14420), (1442, 12440), (1555, 11536), (1648, 10885), (2060, 8708), (2177, 8240), (2488, 7210), (2884, 6220), (3110, 5768), (3605, 4976), (4120, 4354)]