8419180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 22924944

約数和(自身を除く): 14505764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 71, 77, 98, 110, 121, 140, 142, 154, 196, 220, 242, 245, 284, 308, 355, 385, 484, 490, 497, 539, 605, 710, 770, 781, 847, 980, 994, 1078, 1210, 1420, 1540, 1562, 1694, 1988, 2156, 2420, 2485, 2695, 3124, 3388, 3479, 3905, 4235, 4970, 5390, 5467, 5929, 6958, 7810, 8470, 8591, 9940, 10780, 10934, 11858, 13916, 15620, 16940, 17182, 17395, 21868, 23716, 27335, 29645, 34364, 34790, 38269, 42955, 54670, 59290, 60137, 69580, 76538, 85910, 109340, 118580, 120274, 153076, 171820, 191345, 240548, 300685, 382690, 420959, 601370, 765380, 841918, 1202740, 1683836, 2104795, 4209590, 8419180]

約数ペア:

[(1, 8419180), (2, 4209590), (4, 2104795), (5, 1683836), (7, 1202740), (10, 841918), (11, 765380), (14, 601370), (20, 420959), (22, 382690), (28, 300685), (35, 240548), (44, 191345), (49, 171820), (55, 153076), (70, 120274), (71, 118580), (77, 109340), (98, 85910), (110, 76538), (121, 69580), (140, 60137), (142, 59290), (154, 54670), (196, 42955), (220, 38269), (242, 34790), (245, 34364), (284, 29645), (308, 27335), (355, 23716), (385, 21868), (484, 17395), (490, 17182), (497, 16940), (539, 15620), (605, 13916), (710, 11858), (770, 10934), (781, 10780), (847, 9940), (980, 8591), (994, 8470), (1078, 7810), (1210, 6958), (1420, 5929), (1540, 5467), (1562, 5390), (1694, 4970), (1988, 4235), (2156, 3905), (2420, 3479), (2485, 3388), (2695, 3124)]