555562220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{2591}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 1191407616

約数和(自身を除く): 635845396

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 284, 302, 355, 604, 710, 755, 1420, 1510, 2591, 3020, 5182, 10364, 10721, 12955, 21442, 25910, 42884, 51820, 53605, 107210, 183961, 214420, 367922, 391241, 735844, 782482, 919805, 1564964, 1839610, 1956205, 3679220, 3912410, 7824820, 27778111, 55556222, 111112444, 138890555, 277781110, 555562220]

約数ペア:

[(1, 555562220), (2, 277781110), (4, 138890555), (5, 111112444), (10, 55556222), (20, 27778111), (71, 7824820), (142, 3912410), (151, 3679220), (284, 1956205), (302, 1839610), (355, 1564964), (604, 919805), (710, 782482), (755, 735844), (1420, 391241), (1510, 367922), (2591, 214420), (3020, 183961), (5182, 107210), (10364, 53605), (10721, 51820), (12955, 42884), (21442, 25910)]