1202740

素因数分解:

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

素因数の和:109

約数の個数: 72

約数和(自身を含む): 3217536

約数和(自身を除く): 2014796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 121, 140, 142, 154, 220, 242, 284, 308, 355, 385, 484, 497, 605, 710, 770, 781, 847, 994, 1210, 1420, 1540, 1562, 1694, 1988, 2420, 2485, 3124, 3388, 3905, 4235, 4970, 5467, 7810, 8470, 8591, 9940, 10934, 15620, 16940, 17182, 21868, 27335, 34364, 42955, 54670, 60137, 85910, 109340, 120274, 171820, 240548, 300685, 601370, 1202740]

約数ペア:

[(1, 1202740), (2, 601370), (4, 300685), (5, 240548), (7, 171820), (10, 120274), (11, 109340), (14, 85910), (20, 60137), (22, 54670), (28, 42955), (35, 34364), (44, 27335), (55, 21868), (70, 17182), (71, 16940), (77, 15620), (110, 10934), (121, 9940), (140, 8591), (142, 8470), (154, 7810), (220, 5467), (242, 4970), (284, 4235), (308, 3905), (355, 3388), (385, 3124), (484, 2485), (497, 2420), (605, 1988), (710, 1694), (770, 1562), (781, 1540), (847, 1420), (994, 1210)]