201941320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721219}}^1$

素因数の和:721237

約数の個数: 32

約数和(自身を含む): 519278400

約数和(自身を除く): 317337080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721219, 1442438, 2884876, 3606095, 5048533, 5769752, 7212190, 10097066, 14424380, 20194132, 25242665, 28848760, 40388264, 50485330, 100970660, 201941320]

約数ペア:

[(1, 201941320), (2, 100970660), (4, 50485330), (5, 40388264), (7, 28848760), (8, 25242665), (10, 20194132), (14, 14424380), (20, 10097066), (28, 7212190), (35, 5769752), (40, 5048533), (56, 3606095), (70, 2884876), (140, 1442438), (280, 721219)]