526820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 1306368

約数和(自身を除く): 779548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 71, 106, 140, 142, 212, 265, 284, 355, 371, 497, 530, 710, 742, 994, 1060, 1420, 1484, 1855, 1988, 2485, 3710, 3763, 4970, 7420, 7526, 9940, 15052, 18815, 26341, 37630, 52682, 75260, 105364, 131705, 263410, 526820]

約数ペア:

[(1, 526820), (2, 263410), (4, 131705), (5, 105364), (7, 75260), (10, 52682), (14, 37630), (20, 26341), (28, 18815), (35, 15052), (53, 9940), (70, 7526), (71, 7420), (106, 4970), (140, 3763), (142, 3710), (212, 2485), (265, 1988), (284, 1855), (355, 1484), (371, 1420), (497, 1060), (530, 994), (710, 742)]