72995860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521399}}^1$

素因数の和:521415

約数の個数: 24

約数和(自身を含む): 175190400

約数和(自身を除く): 102194540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521399, 1042798, 2085596, 2606995, 3649793, 5213990, 7299586, 10427980, 14599172, 18248965, 36497930, 72995860]

約数ペア:

[(1, 72995860), (2, 36497930), (4, 18248965), (5, 14599172), (7, 10427980), (10, 7299586), (14, 5213990), (20, 3649793), (28, 2606995), (35, 2085596), (70, 1042798), (140, 521399)]