393303710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{7759}}^1$

素因数の和:7940

約数の個数: 32

約数和(自身を含む): 732481920

約数和(自身を除く): 339178210

約数列:

[1, 2, 5, 10, 37, 74, 137, 185, 274, 370, 685, 1370, 5069, 7759, 10138, 15518, 25345, 38795, 50690, 77590, 287083, 574166, 1062983, 1435415, 2125966, 2870830, 5314915, 10629830, 39330371, 78660742, 196651855, 393303710]

約数ペア:

[(1, 393303710), (2, 196651855), (5, 78660742), (10, 39330371), (37, 10629830), (74, 5314915), (137, 2870830), (185, 2125966), (274, 1435415), (370, 1062983), (685, 574166), (1370, 287083), (5069, 77590), (7759, 50690), (10138, 38795), (15518, 25345)]