219788910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1791

約数の個数: 128

約数和(自身を含む): 654635520

約数和(自身を除く): 434846610

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 43, 45, 54, 55, 66, 86, 90, 99, 110, 129, 135, 165, 198, 215, 258, 270, 297, 330, 387, 430, 473, 495, 594, 645, 774, 946, 990, 1161, 1290, 1419, 1485, 1721, 1935, 2322, 2365, 2838, 2970, 3442, 3870, 4257, 4730, 5163, 5805, 7095, 8514, 8605, 10326, 11610, 12771, 14190, 15489, 17210, 18931, 21285, 25542, 25815, 30978, 37862, 42570, 46467, 51630, 56793, 63855, 74003, 77445, 92934, 94655, 113586, 127710, 148006, 154890, 170379, 189310, 222009, 232335, 283965, 340758, 370015, 444018, 464670, 511137, 567930, 666027, 740030, 814033, 851895, 1022274, 1110045, 1332054, 1628066, 1703790, 1998081, 2220090, 2442099, 2555685, 3330135, 3996162, 4070165, 4884198, 5111370, 6660270, 7326297, 8140330, 9990405, 12210495, 14652594, 19980810, 21978891, 24420990, 36631485, 43957782, 73262970, 109894455, 219788910]

約数ペア:

[(1, 219788910), (2, 109894455), (3, 73262970), (5, 43957782), (6, 36631485), (9, 24420990), (10, 21978891), (11, 19980810), (15, 14652594), (18, 12210495), (22, 9990405), (27, 8140330), (30, 7326297), (33, 6660270), (43, 5111370), (45, 4884198), (54, 4070165), (55, 3996162), (66, 3330135), (86, 2555685), (90, 2442099), (99, 2220090), (110, 1998081), (129, 1703790), (135, 1628066), (165, 1332054), (198, 1110045), (215, 1022274), (258, 851895), (270, 814033), (297, 740030), (330, 666027), (387, 567930), (430, 511137), (473, 464670), (495, 444018), (594, 370015), (645, 340758), (774, 283965), (946, 232335), (990, 222009), (1161, 189310), (1290, 170379), (1419, 154890), (1485, 148006), (1721, 127710), (1935, 113586), (2322, 94655), (2365, 92934), (2838, 77445), (2970, 74003), (3442, 63855), (3870, 56793), (4257, 51630), (4730, 46467), (5163, 42570), (5805, 37862), (7095, 30978), (8514, 25815), (8605, 25542), (10326, 21285), (11610, 18931), (12771, 17210), (14190, 15489)]