68990944840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90777559}}^1$

素因数の和:90777589

約数の個数: 32

約数和(自身を含む): 163399608000

約数和(自身を除く): 94408663160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 90777559, 181555118, 363110236, 453887795, 726220472, 907775590, 1724773621, 1815551180, 3449547242, 3631102360, 6899094484, 8623868105, 13798188968, 17247736210, 34495472420, 68990944840]

約数ペア:

[(1, 68990944840), (2, 34495472420), (4, 17247736210), (5, 13798188968), (8, 8623868105), (10, 6899094484), (19, 3631102360), (20, 3449547242), (38, 1815551180), (40, 1724773621), (76, 907775590), (95, 726220472), (152, 453887795), (190, 363110236), (380, 181555118), (760, 90777559)]