1301781320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4649219}}^1$

素因数の和:4649237

約数の個数: 32

約数和(自身を含む): 3347438400

約数和(自身を除く): 2045657080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4649219, 9298438, 18596876, 23246095, 32544533, 37193752, 46492190, 65089066, 92984380, 130178132, 162722665, 185968760, 260356264, 325445330, 650890660, 1301781320]

約数ペア:

[(1, 1301781320), (2, 650890660), (4, 325445330), (5, 260356264), (7, 185968760), (8, 162722665), (10, 130178132), (14, 92984380), (20, 65089066), (28, 46492190), (35, 37193752), (40, 32544533), (56, 23246095), (70, 18596876), (140, 9298438), (280, 4649219)]