22012780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 48033216

約数和(自身を除く): 26020436

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 185, 197, 302, 370, 394, 604, 740, 755, 788, 985, 1510, 1970, 3020, 3940, 5587, 7289, 11174, 14578, 22348, 27935, 29156, 29747, 36445, 55870, 59494, 72890, 111740, 118988, 145780, 148735, 297470, 594940, 1100639, 2201278, 4402556, 5503195, 11006390, 22012780]

約数ペア:

[(1, 22012780), (2, 11006390), (4, 5503195), (5, 4402556), (10, 2201278), (20, 1100639), (37, 594940), (74, 297470), (148, 148735), (151, 145780), (185, 118988), (197, 111740), (302, 72890), (370, 59494), (394, 55870), (604, 36445), (740, 29747), (755, 29156), (788, 27935), (985, 22348), (1510, 14578), (1970, 11174), (3020, 7289), (3940, 5587)]