164885990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{3823}}^1$

素因数の和:4076

約数の個数: 32

約数和(自身を含む): 313873920

約数和(自身を除く): 148987930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 227, 454, 1135, 2270, 3823, 4313, 7646, 8626, 19115, 21565, 38230, 43130, 72637, 145274, 363185, 726370, 867821, 1735642, 4339105, 8678210, 16488599, 32977198, 82442995, 164885990]

約数ペア:

[(1, 164885990), (2, 82442995), (5, 32977198), (10, 16488599), (19, 8678210), (38, 4339105), (95, 1735642), (190, 867821), (227, 726370), (454, 363185), (1135, 145274), (2270, 72637), (3823, 43130), (4313, 38230), (7646, 21565), (8626, 19115)]