2019160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 5352480

約数和(自身を除く): 3333320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 353, 440, 520, 572, 706, 715, 1144, 1412, 1430, 1765, 2824, 2860, 3530, 3883, 4589, 5720, 7060, 7766, 9178, 14120, 15532, 18356, 19415, 22945, 31064, 36712, 38830, 45890, 50479, 77660, 91780, 100958, 155320, 183560, 201916, 252395, 403832, 504790, 1009580, 2019160]

約数ペア:

[(1, 2019160), (2, 1009580), (4, 504790), (5, 403832), (8, 252395), (10, 201916), (11, 183560), (13, 155320), (20, 100958), (22, 91780), (26, 77660), (40, 50479), (44, 45890), (52, 38830), (55, 36712), (65, 31064), (88, 22945), (104, 19415), (110, 18356), (130, 15532), (143, 14120), (220, 9178), (260, 7766), (286, 7060), (353, 5720), (440, 4589), (520, 3883), (572, 3530), (706, 2860), (715, 2824), (1144, 1765), (1412, 1430)]