2719990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 6249600

約数和(自身を除く): 3529610

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 61, 65, 70, 91, 98, 122, 130, 182, 245, 305, 343, 427, 455, 490, 610, 637, 686, 793, 854, 910, 1274, 1586, 1715, 2135, 2989, 3185, 3430, 3965, 4270, 4459, 5551, 5978, 6370, 7930, 8918, 11102, 14945, 20923, 22295, 27755, 29890, 38857, 41846, 44590, 55510, 77714, 104615, 194285, 209230, 271999, 388570, 543998, 1359995, 2719990]

約数ペア:

[(1, 2719990), (2, 1359995), (5, 543998), (7, 388570), (10, 271999), (13, 209230), (14, 194285), (26, 104615), (35, 77714), (49, 55510), (61, 44590), (65, 41846), (70, 38857), (91, 29890), (98, 27755), (122, 22295), (130, 20923), (182, 14945), (245, 11102), (305, 8918), (343, 7930), (427, 6370), (455, 5978), (490, 5551), (610, 4459), (637, 4270), (686, 3965), (793, 3430), (854, 3185), (910, 2989), (1274, 2135), (1586, 1715)]