143232440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275447}}^1$

素因数の和:275471

約数の個数: 32

約数和(自身を含む): 347064480

約数和(自身を除く): 203832040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 275447, 550894, 1101788, 1377235, 2203576, 2754470, 3580811, 5508940, 7161622, 11017880, 14323244, 17904055, 28646488, 35808110, 71616220, 143232440]

約数ペア:

[(1, 143232440), (2, 71616220), (4, 35808110), (5, 28646488), (8, 17904055), (10, 14323244), (13, 11017880), (20, 7161622), (26, 5508940), (40, 3580811), (52, 2754470), (65, 2203576), (104, 1377235), (130, 1101788), (260, 550894), (520, 275447)]