480940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 1023120

約数和(自身を除く): 542180

約数列:

[1, 2, 4, 5, 10, 20, 139, 173, 278, 346, 556, 692, 695, 865, 1390, 1730, 2780, 3460, 24047, 48094, 96188, 120235, 240470, 480940]

約数ペア:

[(1, 480940), (2, 240470), (4, 120235), (5, 96188), (10, 48094), (20, 24047), (139, 3460), (173, 2780), (278, 1730), (346, 1390), (556, 865), (692, 695)]