221479930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{3911}}^1$

素因数の和:4734

約数の個数: 32

約数和(自身を含む): 456295680

約数和(自身を除く): 234815750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 809, 1618, 3911, 4045, 5663, 7822, 8090, 11326, 19555, 27377, 28315, 39110, 54754, 56630, 136885, 273770, 3163999, 6327998, 15819995, 22147993, 31639990, 44295986, 110739965, 221479930]

約数ペア:

[(1, 221479930), (2, 110739965), (5, 44295986), (7, 31639990), (10, 22147993), (14, 15819995), (35, 6327998), (70, 3163999), (809, 273770), (1618, 136885), (3911, 56630), (4045, 54754), (5663, 39110), (7822, 28315), (8090, 27377), (11326, 19555)]