30807140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16927}}^1$

素因数の和:16956

約数の個数: 48

約数和(自身を含む): 79629312

約数和(自身を除く): 48822172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16927, 33854, 67708, 84635, 118489, 169270, 220051, 236978, 338540, 440102, 473956, 592445, 880204, 1100255, 1184890, 1540357, 2200510, 2369780, 3080714, 4401020, 6161428, 7701785, 15403570, 30807140]

約数ペア:

[(1, 30807140), (2, 15403570), (4, 7701785), (5, 6161428), (7, 4401020), (10, 3080714), (13, 2369780), (14, 2200510), (20, 1540357), (26, 1184890), (28, 1100255), (35, 880204), (52, 592445), (65, 473956), (70, 440102), (91, 338540), (130, 236978), (140, 220051), (182, 169270), (260, 118489), (364, 84635), (455, 67708), (910, 33854), (1820, 16927)]