66639860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1297}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 160495104

約数和(自身を除く): 93855244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 1297, 1468, 1835, 2569, 2594, 3670, 5138, 5188, 6485, 7340, 9079, 10276, 12845, 12970, 18158, 25690, 25940, 36316, 45395, 51380, 90790, 181580, 475999, 951998, 1903996, 2379995, 3331993, 4759990, 6663986, 9519980, 13327972, 16659965, 33319930, 66639860]

約数ペア:

[(1, 66639860), (2, 33319930), (4, 16659965), (5, 13327972), (7, 9519980), (10, 6663986), (14, 4759990), (20, 3331993), (28, 2379995), (35, 1903996), (70, 951998), (140, 475999), (367, 181580), (734, 90790), (1297, 51380), (1468, 45395), (1835, 36316), (2569, 25940), (2594, 25690), (3670, 18158), (5138, 12970), (5188, 12845), (6485, 10276), (7340, 9079)]