90229480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 149271320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 152, 172, 190, 209, 215, 220, 251, 344, 380, 418, 430, 440, 473, 502, 760, 817, 836, 860, 946, 1004, 1045, 1255, 1634, 1672, 1720, 1892, 2008, 2090, 2365, 2510, 2761, 3268, 3784, 4085, 4180, 4730, 4769, 5020, 5522, 6536, 8170, 8360, 8987, 9460, 9538, 10040, 10793, 11044, 13805, 16340, 17974, 18920, 19076, 21586, 22088, 23845, 27610, 32680, 35948, 38152, 43172, 44935, 47690, 52459, 53965, 55220, 71896, 86344, 89870, 95380, 104918, 107930, 110440, 118723, 179740, 190760, 205067, 209836, 215860, 237446, 262295, 359480, 410134, 419672, 431720, 474892, 524590, 593615, 820268, 949784, 1025335, 1049180, 1187230, 1640536, 2050670, 2098360, 2255737, 2374460, 4101340, 4511474, 4748920, 8202680, 9022948, 11278685, 18045896, 22557370, 45114740, 90229480]

約数ペア:

[(1, 90229480), (2, 45114740), (4, 22557370), (5, 18045896), (8, 11278685), (10, 9022948), (11, 8202680), (19, 4748920), (20, 4511474), (22, 4101340), (38, 2374460), (40, 2255737), (43, 2098360), (44, 2050670), (55, 1640536), (76, 1187230), (86, 1049180), (88, 1025335), (95, 949784), (110, 820268), (152, 593615), (172, 524590), (190, 474892), (209, 431720), (215, 419672), (220, 410134), (251, 359480), (344, 262295), (380, 237446), (418, 215860), (430, 209836), (440, 205067), (473, 190760), (502, 179740), (760, 118723), (817, 110440), (836, 107930), (860, 104918), (946, 95380), (1004, 89870), (1045, 86344), (1255, 71896), (1634, 55220), (1672, 53965), (1720, 52459), (1892, 47690), (2008, 44935), (2090, 43172), (2365, 38152), (2510, 35948), (2761, 32680), (3268, 27610), (3784, 23845), (4085, 22088), (4180, 21586), (4730, 19076), (4769, 18920), (5020, 17974), (5522, 16340), (6536, 13805), (8170, 11044), (8360, 10793), (8987, 10040), (9460, 9538)]