205649990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{225989}}^1$

素因数の和:226016

約数の個数: 32

約数和(自身を含む): 455595840

約数和(自身を除く): 249945850

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 225989, 451978, 1129945, 1581923, 2259890, 2937857, 3163846, 5875714, 7909615, 14689285, 15819230, 20564999, 29378570, 41129998, 102824995, 205649990]

約数ペア:

[(1, 205649990), (2, 102824995), (5, 41129998), (7, 29378570), (10, 20564999), (13, 15819230), (14, 14689285), (26, 7909615), (35, 5875714), (65, 3163846), (70, 2937857), (91, 2259890), (130, 1581923), (182, 1129945), (455, 451978), (910, 225989)]