538840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 1278000

約数和(自身を除く): 739160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 709, 760, 1418, 2836, 3545, 5672, 7090, 13471, 14180, 26942, 28360, 53884, 67355, 107768, 134710, 269420, 538840]

約数ペア:

[(1, 538840), (2, 269420), (4, 134710), (5, 107768), (8, 67355), (10, 53884), (19, 28360), (20, 26942), (38, 14180), (40, 13471), (76, 7090), (95, 5672), (152, 3545), (190, 2836), (380, 1418), (709, 760)]