142743920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162209}}^1$

素因数の和:162233

約数の個数: 40

約数和(自身を含む): 362052720

約数和(自身を除く): 219308800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 162209, 324418, 648836, 811045, 1297672, 1622090, 1784299, 2595344, 3244180, 3568598, 6488360, 7137196, 8921495, 12976720, 14274392, 17842990, 28548784, 35685980, 71371960, 142743920]

約数ペア:

[(1, 142743920), (2, 71371960), (4, 35685980), (5, 28548784), (8, 17842990), (10, 14274392), (11, 12976720), (16, 8921495), (20, 7137196), (22, 6488360), (40, 3568598), (44, 3244180), (55, 2595344), (80, 1784299), (88, 1622090), (110, 1297672), (176, 811045), (220, 648836), (440, 324418), (880, 162209)]