344540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 870912

約数和(自身を除く): 526372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 107, 115, 140, 161, 214, 230, 322, 428, 460, 535, 644, 749, 805, 1070, 1498, 1610, 2140, 2461, 2996, 3220, 3745, 4922, 7490, 9844, 12305, 14980, 17227, 24610, 34454, 49220, 68908, 86135, 172270, 344540]

約数ペア:

[(1, 344540), (2, 172270), (4, 86135), (5, 68908), (7, 49220), (10, 34454), (14, 24610), (20, 17227), (23, 14980), (28, 12305), (35, 9844), (46, 7490), (70, 4922), (92, 3745), (107, 3220), (115, 2996), (140, 2461), (161, 2140), (214, 1610), (230, 1498), (322, 1070), (428, 805), (460, 749), (535, 644)]