1285282360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1691161}}^1$

素因数の和:1691191

約数の個数: 32

約数和(自身を含む): 3044091600

約数和(自身を除く): 1758809240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1691161, 3382322, 6764644, 8455805, 13529288, 16911610, 32132059, 33823220, 64264118, 67646440, 128528236, 160660295, 257056472, 321320590, 642641180, 1285282360]

約数ペア:

[(1, 1285282360), (2, 642641180), (4, 321320590), (5, 257056472), (8, 160660295), (10, 128528236), (19, 67646440), (20, 64264118), (38, 33823220), (40, 32132059), (76, 16911610), (95, 13529288), (152, 8455805), (190, 6764644), (380, 3382322), (760, 1691161)]