211505830

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 388761120

約数和(自身を除く): 177255290

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 445, 535, 890, 1070, 2221, 4442, 9523, 11105, 19046, 22210, 47615, 95230, 197669, 237647, 395338, 475294, 988345, 1188235, 1976690, 2376470, 21150583, 42301166, 105752915, 211505830]

約数ペア:

[(1, 211505830), (2, 105752915), (5, 42301166), (10, 21150583), (89, 2376470), (107, 1976690), (178, 1188235), (214, 988345), (445, 475294), (535, 395338), (890, 237647), (1070, 197669), (2221, 95230), (4442, 47615), (9523, 22210), (11105, 19046)]