142349680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161761}}^1$

素因数の和:161785

約数の個数: 40

約数和(自身を含む): 361052784

約数和(自身を除く): 218703104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 161761, 323522, 647044, 808805, 1294088, 1617610, 1779371, 2588176, 3235220, 3558742, 6470440, 7117484, 8896855, 12940880, 14234968, 17793710, 28469936, 35587420, 71174840, 142349680]

約数ペア:

[(1, 142349680), (2, 71174840), (4, 35587420), (5, 28469936), (8, 17793710), (10, 14234968), (11, 12940880), (16, 8896855), (20, 7117484), (22, 6470440), (40, 3558742), (44, 3235220), (55, 2588176), (80, 1779371), (88, 1617610), (110, 1294088), (176, 808805), (220, 647044), (440, 323522), (880, 161761)]