319550990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{3931}}^1$

素因数の和:4688

約数の個数: 32

約数和(自身を含む): 628490880

約数和(自身を除く): 308939890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 739, 1478, 3695, 3931, 7390, 7862, 8129, 16258, 19655, 39310, 40645, 43241, 81290, 86482, 216205, 432410, 2905009, 5810018, 14525045, 29050090, 31955099, 63910198, 159775495, 319550990]

約数ペア:

[(1, 319550990), (2, 159775495), (5, 63910198), (10, 31955099), (11, 29050090), (22, 14525045), (55, 5810018), (110, 2905009), (739, 432410), (1478, 216205), (3695, 86482), (3931, 81290), (7390, 43241), (7862, 40645), (8129, 39310), (16258, 19655)]