243432980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{248401}}^1$

素因数の和:248424

約数の個数: 36

約数和(自身を含む): 594674388

約数和(自身を除く): 351241408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 248401, 496802, 993604, 1242005, 1738807, 2484010, 3477614, 4968020, 6955228, 8694035, 12171649, 17388070, 24343298, 34776140, 48686596, 60858245, 121716490, 243432980]

約数ペア:

[(1, 243432980), (2, 121716490), (4, 60858245), (5, 48686596), (7, 34776140), (10, 24343298), (14, 17388070), (20, 12171649), (28, 8694035), (35, 6955228), (49, 4968020), (70, 3477614), (98, 2484010), (140, 1738807), (196, 1242005), (245, 993604), (490, 496802), (980, 248401)]