143981320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{514219}}^1$

素因数の和:514237

約数の個数: 32

約数和(自身を含む): 370238400

約数和(自身を除く): 226257080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 514219, 1028438, 2056876, 2571095, 3599533, 4113752, 5142190, 7199066, 10284380, 14398132, 17997665, 20568760, 28796264, 35995330, 71990660, 143981320]

約数ペア:

[(1, 143981320), (2, 71990660), (4, 35995330), (5, 28796264), (7, 20568760), (8, 17997665), (10, 14398132), (14, 10284380), (20, 7199066), (28, 5142190), (35, 4113752), (40, 3599533), (56, 2571095), (70, 2056876), (140, 1028438), (280, 514219)]