311901872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{7489}}^1$

素因数の和:7653

約数の個数: 40

約数和(自身を含む): 640844400

約数和(自身を除く): 328942528

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 1096, 2192, 2603, 5206, 7489, 10412, 14978, 20824, 29956, 41648, 59912, 119824, 142291, 284582, 569164, 1025993, 1138328, 2051986, 2276656, 4103972, 8207944, 16415888, 19493867, 38987734, 77975468, 155950936, 311901872]

約数ペア:

[(1, 311901872), (2, 155950936), (4, 77975468), (8, 38987734), (16, 19493867), (19, 16415888), (38, 8207944), (76, 4103972), (137, 2276656), (152, 2051986), (274, 1138328), (304, 1025993), (548, 569164), (1096, 284582), (2192, 142291), (2603, 119824), (5206, 59912), (7489, 41648), (10412, 29956), (14978, 20824)]