180329860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 391217904

約数和(自身を除く): 210888044

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 985, 1237, 1970, 2474, 3940, 4948, 6185, 7289, 12370, 14578, 24740, 29156, 36445, 45769, 72890, 91538, 145780, 183076, 228845, 243689, 457690, 487378, 915380, 974756, 1218445, 2436890, 4873780, 9016493, 18032986, 36065972, 45082465, 90164930, 180329860]

約数ペア:

[(1, 180329860), (2, 90164930), (4, 45082465), (5, 36065972), (10, 18032986), (20, 9016493), (37, 4873780), (74, 2436890), (148, 1218445), (185, 974756), (197, 915380), (370, 487378), (394, 457690), (740, 243689), (788, 228845), (985, 183076), (1237, 145780), (1970, 91538), (2474, 72890), (3940, 45769), (4948, 36445), (6185, 29156), (7289, 24740), (12370, 14578)]