1878659020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{273857}}^1$

素因数の和:273887

約数の個数: 48

約数和(自身を含む): 4600814400

約数和(自身を除く): 2722155380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 273857, 547714, 1095428, 1369285, 1916999, 2738570, 3833998, 5477140, 7667996, 9584995, 13418993, 19169990, 26837986, 38339980, 53675972, 67094965, 93932951, 134189930, 187865902, 268379860, 375731804, 469664755, 939329510, 1878659020]

約数ペア:

[(1, 1878659020), (2, 939329510), (4, 469664755), (5, 375731804), (7, 268379860), (10, 187865902), (14, 134189930), (20, 93932951), (28, 67094965), (35, 53675972), (49, 38339980), (70, 26837986), (98, 19169990), (140, 13418993), (196, 9584995), (245, 7667996), (343, 5477140), (490, 3833998), (686, 2738570), (980, 1916999), (1372, 1369285), (1715, 1095428), (3430, 547714), (6860, 273857)]