312340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 790272

約数和(自身を除く): 477932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 97, 115, 140, 161, 194, 230, 322, 388, 460, 485, 644, 679, 805, 970, 1358, 1610, 1940, 2231, 2716, 3220, 3395, 4462, 6790, 8924, 11155, 13580, 15617, 22310, 31234, 44620, 62468, 78085, 156170, 312340]

約数ペア:

[(1, 312340), (2, 156170), (4, 78085), (5, 62468), (7, 44620), (10, 31234), (14, 22310), (20, 15617), (23, 13580), (28, 11155), (35, 8924), (46, 6790), (70, 4462), (92, 3395), (97, 3220), (115, 2716), (140, 2231), (161, 1940), (194, 1610), (230, 1358), (322, 970), (388, 805), (460, 679), (485, 644)]