2107280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 5785344

約数和(自身を除く): 3678064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 71, 80, 106, 112, 140, 142, 212, 265, 280, 284, 355, 371, 424, 497, 530, 560, 568, 710, 742, 848, 994, 1060, 1136, 1420, 1484, 1855, 1988, 2120, 2485, 2840, 2968, 3710, 3763, 3976, 4240, 4970, 5680, 5936, 7420, 7526, 7952, 9940, 14840, 15052, 18815, 19880, 26341, 29680, 30104, 37630, 39760, 52682, 60208, 75260, 105364, 131705, 150520, 210728, 263410, 301040, 421456, 526820, 1053640, 2107280]

約数ペア:

[(1, 2107280), (2, 1053640), (4, 526820), (5, 421456), (7, 301040), (8, 263410), (10, 210728), (14, 150520), (16, 131705), (20, 105364), (28, 75260), (35, 60208), (40, 52682), (53, 39760), (56, 37630), (70, 30104), (71, 29680), (80, 26341), (106, 19880), (112, 18815), (140, 15052), (142, 14840), (212, 9940), (265, 7952), (280, 7526), (284, 7420), (355, 5936), (371, 5680), (424, 4970), (497, 4240), (530, 3976), (560, 3763), (568, 3710), (710, 2968), (742, 2840), (848, 2485), (994, 2120), (1060, 1988), (1136, 1855), (1420, 1484)]