30405710020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217183643}}^1$

素因数の和:217183659

約数の個数: 24

約数和(自身を含む): 72973704384

約数和(自身を除く): 42567994364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217183643, 434367286, 868734572, 1085918215, 1520285501, 2171836430, 3040571002, 4343672860, 6081142004, 7601427505, 15202855010, 30405710020]

約数ペア:

[(1, 30405710020), (2, 15202855010), (4, 7601427505), (5, 6081142004), (7, 4343672860), (10, 3040571002), (14, 2171836430), (20, 1520285501), (28, 1085918215), (35, 868734572), (70, 434367286), (140, 217183643)]