129562220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3967}}^1$

素因数の和:4070

約数の個数: 48

約数和(自身を含む): 287981568

約数和(自身を除く): 158419348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 3967, 6532, 7934, 8165, 15868, 16330, 19835, 32660, 39670, 79340, 91241, 182482, 281657, 364964, 456205, 563314, 912410, 1126628, 1408285, 1824820, 2816570, 5633140, 6478111, 12956222, 25912444, 32390555, 64781110, 129562220]

約数ペア:

[(1, 129562220), (2, 64781110), (4, 32390555), (5, 25912444), (10, 12956222), (20, 6478111), (23, 5633140), (46, 2816570), (71, 1824820), (92, 1408285), (115, 1126628), (142, 912410), (230, 563314), (284, 456205), (355, 364964), (460, 281657), (710, 182482), (1420, 91241), (1633, 79340), (3266, 39670), (3967, 32660), (6532, 19835), (7934, 16330), (8165, 15868)]