87701320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313219}}^1$

素因数の和:313237

約数の個数: 32

約数和(自身を含む): 225518400

約数和(自身を除く): 137817080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313219, 626438, 1252876, 1566095, 2192533, 2505752, 3132190, 4385066, 6264380, 8770132, 10962665, 12528760, 17540264, 21925330, 43850660, 87701320]

約数ペア:

[(1, 87701320), (2, 43850660), (4, 21925330), (5, 17540264), (7, 12528760), (8, 10962665), (10, 8770132), (14, 6264380), (20, 4385066), (28, 3132190), (35, 2505752), (40, 2192533), (56, 1566095), (70, 1252876), (140, 626438), (280, 313219)]