2749880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 7633440

約数和(自身を除く): 4883560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 61, 70, 92, 98, 115, 122, 140, 161, 184, 196, 230, 244, 245, 280, 305, 322, 392, 427, 460, 488, 490, 610, 644, 805, 854, 920, 980, 1127, 1220, 1288, 1403, 1610, 1708, 1960, 2135, 2254, 2440, 2806, 2989, 3220, 3416, 4270, 4508, 5612, 5635, 5978, 6440, 7015, 8540, 9016, 9821, 11224, 11270, 11956, 14030, 14945, 17080, 19642, 22540, 23912, 28060, 29890, 39284, 45080, 49105, 56120, 59780, 68747, 78568, 98210, 119560, 137494, 196420, 274988, 343735, 392840, 549976, 687470, 1374940, 2749880]

約数ペア:

[(1, 2749880), (2, 1374940), (4, 687470), (5, 549976), (7, 392840), (8, 343735), (10, 274988), (14, 196420), (20, 137494), (23, 119560), (28, 98210), (35, 78568), (40, 68747), (46, 59780), (49, 56120), (56, 49105), (61, 45080), (70, 39284), (92, 29890), (98, 28060), (115, 23912), (122, 22540), (140, 19642), (161, 17080), (184, 14945), (196, 14030), (230, 11956), (244, 11270), (245, 11224), (280, 9821), (305, 9016), (322, 8540), (392, 7015), (427, 6440), (460, 5978), (488, 5635), (490, 5612), (610, 4508), (644, 4270), (805, 3416), (854, 3220), (920, 2989), (980, 2806), (1127, 2440), (1220, 2254), (1288, 2135), (1403, 1960), (1610, 1708)]