145447720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{330563}}^1$

素因数の和:330585

約数の個数: 32

約数和(自身を含む): 357009120

約数和(自身を除く): 211561400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 330563, 661126, 1322252, 1652815, 2644504, 3305630, 3636193, 6611260, 7272386, 13222520, 14544772, 18180965, 29089544, 36361930, 72723860, 145447720]

約数ペア:

[(1, 145447720), (2, 72723860), (4, 36361930), (5, 29089544), (8, 18180965), (10, 14544772), (11, 13222520), (20, 7272386), (22, 6611260), (40, 3636193), (44, 3305630), (55, 2644504), (88, 1652815), (110, 1322252), (220, 661126), (440, 330563)]