2403890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 4555440

約数和(自身を除く): 2151550

約数列:

[1, 2, 5, 10, 37, 73, 74, 89, 146, 178, 185, 365, 370, 445, 730, 890, 2701, 3293, 5402, 6497, 6586, 12994, 13505, 16465, 27010, 32485, 32930, 64970, 240389, 480778, 1201945, 2403890]

約数ペア:

[(1, 2403890), (2, 1201945), (5, 480778), (10, 240389), (37, 64970), (73, 32930), (74, 32485), (89, 27010), (146, 16465), (178, 13505), (185, 12994), (365, 6586), (370, 6497), (445, 5402), (730, 3293), (890, 2701)]