29916920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67993}}^1$

素因数の和:68015

約数の個数: 32

約数和(自身を含む): 73433520

約数和(自身を除く): 43516600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 67993, 135986, 271972, 339965, 543944, 679930, 747923, 1359860, 1495846, 2719720, 2991692, 3739615, 5983384, 7479230, 14958460, 29916920]

約数ペア:

[(1, 29916920), (2, 14958460), (4, 7479230), (5, 5983384), (8, 3739615), (10, 2991692), (11, 2719720), (20, 1495846), (22, 1359860), (40, 747923), (44, 679930), (55, 543944), (88, 339965), (110, 271972), (220, 135986), (440, 67993)]