77279860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{78857}}^1$

素因数の和:78880

約数の個数: 36

約数和(自身を含む): 188786052

約数和(自身を除く): 111506192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 78857, 157714, 315428, 394285, 551999, 788570, 1103998, 1577140, 2207996, 2759995, 3863993, 5519990, 7727986, 11039980, 15455972, 19319965, 38639930, 77279860]

約数ペア:

[(1, 77279860), (2, 38639930), (4, 19319965), (5, 15455972), (7, 11039980), (10, 7727986), (14, 5519990), (20, 3863993), (28, 2759995), (35, 2207996), (49, 1577140), (70, 1103998), (98, 788570), (140, 551999), (196, 394285), (245, 315428), (490, 157714), (980, 78857)]