1488973780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{3967}}^1$

素因数の和:4373

約数の個数: 72

約数和(自身を含む): 3647766528

約数和(自身を除く): 2158792748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 383, 490, 766, 980, 1532, 1915, 2681, 3830, 3967, 5362, 7660, 7934, 10724, 13405, 15868, 18767, 19835, 26810, 27769, 37534, 39670, 53620, 55538, 75068, 79340, 93835, 111076, 138845, 187670, 194383, 277690, 375340, 388766, 555380, 777532, 971915, 1519361, 1943830, 3038722, 3887660, 6077444, 7596805, 10635527, 15193610, 21271054, 30387220, 42542108, 53177635, 74448689, 106355270, 148897378, 212710540, 297794756, 372243445, 744486890, 1488973780]

約数ペア:

[(1, 1488973780), (2, 744486890), (4, 372243445), (5, 297794756), (7, 212710540), (10, 148897378), (14, 106355270), (20, 74448689), (28, 53177635), (35, 42542108), (49, 30387220), (70, 21271054), (98, 15193610), (140, 10635527), (196, 7596805), (245, 6077444), (383, 3887660), (490, 3038722), (766, 1943830), (980, 1519361), (1532, 971915), (1915, 777532), (2681, 555380), (3830, 388766), (3967, 375340), (5362, 277690), (7660, 194383), (7934, 187670), (10724, 138845), (13405, 111076), (15868, 93835), (18767, 79340), (19835, 75068), (26810, 55538), (27769, 53620), (37534, 39670)]