686090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 1365120

約数和(自身を除く): 679030

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 157, 190, 230, 314, 437, 785, 874, 1570, 2185, 2983, 3611, 4370, 5966, 7222, 14915, 18055, 29830, 36110, 68609, 137218, 343045, 686090]

約数ペア:

[(1, 686090), (2, 343045), (5, 137218), (10, 68609), (19, 36110), (23, 29830), (38, 18055), (46, 14915), (95, 7222), (115, 5966), (157, 4370), (190, 3611), (230, 2983), (314, 2185), (437, 1570), (785, 874)]