494218780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 1173553920

約数和(自身を除く): 679335140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 89, 110, 172, 178, 215, 220, 356, 430, 445, 473, 587, 860, 890, 946, 979, 1174, 1780, 1892, 1958, 2348, 2365, 2935, 3827, 3916, 4730, 4895, 5870, 6457, 7654, 9460, 9790, 11740, 12914, 15308, 19135, 19580, 25241, 25828, 32285, 38270, 42097, 50482, 52243, 64570, 76540, 84194, 100964, 104486, 126205, 129140, 168388, 208972, 210485, 252410, 261215, 277651, 420970, 504820, 522430, 555302, 574673, 841940, 1044860, 1110604, 1149346, 1388255, 2246449, 2298692, 2776510, 2873365, 4492898, 5553020, 5746730, 8985796, 11232245, 11493460, 22464490, 24710939, 44928980, 49421878, 98843756, 123554695, 247109390, 494218780]

約数ペア:

[(1, 494218780), (2, 247109390), (4, 123554695), (5, 98843756), (10, 49421878), (11, 44928980), (20, 24710939), (22, 22464490), (43, 11493460), (44, 11232245), (55, 8985796), (86, 5746730), (89, 5553020), (110, 4492898), (172, 2873365), (178, 2776510), (215, 2298692), (220, 2246449), (356, 1388255), (430, 1149346), (445, 1110604), (473, 1044860), (587, 841940), (860, 574673), (890, 555302), (946, 522430), (979, 504820), (1174, 420970), (1780, 277651), (1892, 261215), (1958, 252410), (2348, 210485), (2365, 208972), (2935, 168388), (3827, 129140), (3916, 126205), (4730, 104486), (4895, 100964), (5870, 84194), (6457, 76540), (7654, 64570), (9460, 52243), (9790, 50482), (11740, 42097), (12914, 38270), (15308, 32285), (19135, 25828), (19580, 25241)]