317240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 898560

約数和(自身を除く): 581320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 103, 110, 140, 154, 206, 220, 280, 308, 385, 412, 440, 515, 616, 721, 770, 824, 1030, 1133, 1442, 1540, 2060, 2266, 2884, 3080, 3605, 4120, 4532, 5665, 5768, 7210, 7931, 9064, 11330, 14420, 15862, 22660, 28840, 31724, 39655, 45320, 63448, 79310, 158620, 317240]

約数ペア:

[(1, 317240), (2, 158620), (4, 79310), (5, 63448), (7, 45320), (8, 39655), (10, 31724), (11, 28840), (14, 22660), (20, 15862), (22, 14420), (28, 11330), (35, 9064), (40, 7931), (44, 7210), (55, 5768), (56, 5665), (70, 4532), (77, 4120), (88, 3605), (103, 3080), (110, 2884), (140, 2266), (154, 2060), (206, 1540), (220, 1442), (280, 1133), (308, 1030), (385, 824), (412, 770), (440, 721), (515, 616)]