138220240

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3607}}^1$

素因数の和:4099

約数の個数: 40

約数和(自身を含む): 322122240

約数和(自身を除く): 183902000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2395, 3607, 3832, 4790, 7214, 7664, 9580, 14428, 18035, 19160, 28856, 36070, 38320, 57712, 72140, 144280, 288560, 1727753, 3455506, 6911012, 8638765, 13822024, 17277530, 27644048, 34555060, 69110120, 138220240]

約数ペア:

[(1, 138220240), (2, 69110120), (4, 34555060), (5, 27644048), (8, 17277530), (10, 13822024), (16, 8638765), (20, 6911012), (40, 3455506), (80, 1727753), (479, 288560), (958, 144280), (1916, 72140), (2395, 57712), (3607, 38320), (3832, 36070), (4790, 28856), (7214, 19160), (7664, 18035), (9580, 14428)]