149176280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1721}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 368232480

約数和(自身を除く): 219056200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1721, 1970, 2167, 3442, 3940, 4334, 6884, 7880, 8605, 8668, 10835, 13768, 17210, 17336, 18931, 21670, 34420, 37862, 43340, 68840, 75724, 86680, 94655, 151448, 189310, 339037, 378620, 678074, 757240, 1356148, 1695185, 2712296, 3390370, 3729407, 6780740, 7458814, 13561480, 14917628, 18647035, 29835256, 37294070, 74588140, 149176280]

約数ペア:

[(1, 149176280), (2, 74588140), (4, 37294070), (5, 29835256), (8, 18647035), (10, 14917628), (11, 13561480), (20, 7458814), (22, 6780740), (40, 3729407), (44, 3390370), (55, 2712296), (88, 1695185), (110, 1356148), (197, 757240), (220, 678074), (394, 378620), (440, 339037), (788, 189310), (985, 151448), (1576, 94655), (1721, 86680), (1970, 75724), (2167, 68840), (3442, 43340), (3940, 37862), (4334, 34420), (6884, 21670), (7880, 18931), (8605, 17336), (8668, 17210), (10835, 13768)]