411920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 1011840

約数和(自身を除く): 599920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 271, 304, 380, 542, 760, 1084, 1355, 1520, 2168, 2710, 4336, 5149, 5420, 10298, 10840, 20596, 21680, 25745, 41192, 51490, 82384, 102980, 205960, 411920]

約数ペア:

[(1, 411920), (2, 205960), (4, 102980), (5, 82384), (8, 51490), (10, 41192), (16, 25745), (19, 21680), (20, 20596), (38, 10840), (40, 10298), (76, 5420), (80, 5149), (95, 4336), (152, 2710), (190, 2168), (271, 1520), (304, 1355), (380, 1084), (542, 760)]