291255580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{189127}}^1$

素因数の和:189154

約数の個数: 48

約数和(自身を含む): 762564096

約数和(自身を除く): 471308516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 189127, 378254, 756508, 945635, 1323889, 1891270, 2080397, 2647778, 3782540, 4160794, 5295556, 6619445, 8321588, 10401985, 13238890, 14562779, 20803970, 26477780, 29125558, 41607940, 58251116, 72813895, 145627790, 291255580]

約数ペア:

[(1, 291255580), (2, 145627790), (4, 72813895), (5, 58251116), (7, 41607940), (10, 29125558), (11, 26477780), (14, 20803970), (20, 14562779), (22, 13238890), (28, 10401985), (35, 8321588), (44, 6619445), (55, 5295556), (70, 4160794), (77, 3782540), (110, 2647778), (140, 2080397), (154, 1891270), (220, 1323889), (308, 945635), (385, 756508), (770, 378254), (1540, 189127)]