138956570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19489}}^1$

素因数の和:19550

約数の個数: 32

約数和(自身を含む): 269429760

約数和(自身を除く): 130473190

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 19489, 38978, 97445, 194890, 448247, 604159, 896494, 1208318, 2241235, 3020795, 4482470, 6041590, 13895657, 27791314, 69478285, 138956570]

約数ペア:

[(1, 138956570), (2, 69478285), (5, 27791314), (10, 13895657), (23, 6041590), (31, 4482470), (46, 3020795), (62, 2241235), (115, 1208318), (155, 896494), (230, 604159), (310, 448247), (713, 194890), (1426, 97445), (3565, 38978), (7130, 19489)]