54557860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389699}}^1$

素因数の和:389715

約数の個数: 24

約数和(自身を含む): 130939200

約数和(自身を除く): 76381340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389699, 779398, 1558796, 1948495, 2727893, 3896990, 5455786, 7793980, 10911572, 13639465, 27278930, 54557860]

約数ペア:

[(1, 54557860), (2, 27278930), (4, 13639465), (5, 10911572), (7, 7793980), (10, 5455786), (14, 3896990), (20, 2727893), (28, 1948495), (35, 1558796), (70, 779398), (140, 389699)]