312355340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21191}}^1$

素因数の和:21278

約数の個数: 48

約数和(自身を含む): 726292224

約数和(自身を除く): 413936884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 7370, 14740, 21191, 42382, 84764, 105955, 211910, 233101, 423820, 466202, 932404, 1165505, 1419797, 2331010, 2839594, 4662020, 5679188, 7098985, 14197970, 15617767, 28395940, 31235534, 62471068, 78088835, 156177670, 312355340]

約数ペア:

[(1, 312355340), (2, 156177670), (4, 78088835), (5, 62471068), (10, 31235534), (11, 28395940), (20, 15617767), (22, 14197970), (44, 7098985), (55, 5679188), (67, 4662020), (110, 2839594), (134, 2331010), (220, 1419797), (268, 1165505), (335, 932404), (670, 466202), (737, 423820), (1340, 233101), (1474, 211910), (2948, 105955), (3685, 84764), (7370, 42382), (14740, 21191)]