2119880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 5581440

約数和(自身を除く): 3461560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 113, 134, 140, 226, 268, 280, 335, 452, 469, 536, 565, 670, 791, 904, 938, 1130, 1340, 1582, 1876, 2260, 2345, 2680, 3164, 3752, 3955, 4520, 4690, 6328, 7571, 7910, 9380, 15142, 15820, 18760, 30284, 31640, 37855, 52997, 60568, 75710, 105994, 151420, 211988, 264985, 302840, 423976, 529970, 1059940, 2119880]

約数ペア:

[(1, 2119880), (2, 1059940), (4, 529970), (5, 423976), (7, 302840), (8, 264985), (10, 211988), (14, 151420), (20, 105994), (28, 75710), (35, 60568), (40, 52997), (56, 37855), (67, 31640), (70, 30284), (113, 18760), (134, 15820), (140, 15142), (226, 9380), (268, 7910), (280, 7571), (335, 6328), (452, 4690), (469, 4520), (536, 3955), (565, 3752), (670, 3164), (791, 2680), (904, 2345), (938, 2260), (1130, 1876), (1340, 1582)]