90509860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{92357}}^1$

素因数の和:92380

約数の個数: 36

約数和(自身を含む): 221105052

約数和(自身を除く): 130595192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 92357, 184714, 369428, 461785, 646499, 923570, 1292998, 1847140, 2585996, 3232495, 4525493, 6464990, 9050986, 12929980, 18101972, 22627465, 45254930, 90509860]

約数ペア:

[(1, 90509860), (2, 45254930), (4, 22627465), (5, 18101972), (7, 12929980), (10, 9050986), (14, 6464990), (20, 4525493), (28, 3232495), (35, 2585996), (49, 1847140), (70, 1292998), (98, 923570), (140, 646499), (196, 461785), (245, 369428), (490, 184714), (980, 92357)]