2172990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 5269536

約数和(自身を除く): 3096546

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 641, 678, 1130, 1282, 1695, 1923, 3205, 3390, 3846, 6410, 9615, 19230, 72433, 144866, 217299, 362165, 434598, 724330, 1086495, 2172990]

約数ペア:

[(1, 2172990), (2, 1086495), (3, 724330), (5, 434598), (6, 362165), (10, 217299), (15, 144866), (30, 72433), (113, 19230), (226, 9615), (339, 6410), (565, 3846), (641, 3390), (678, 3205), (1130, 1923), (1282, 1695)]