7021210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 15552000

約数和(自身を除く): 8530790

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 89, 98, 115, 161, 178, 230, 245, 322, 343, 445, 490, 623, 686, 805, 890, 1127, 1246, 1610, 1715, 2047, 2254, 3115, 3430, 4094, 4361, 5635, 6230, 7889, 8722, 10235, 11270, 14329, 15778, 20470, 21805, 28658, 30527, 39445, 43610, 61054, 71645, 78890, 100303, 143290, 152635, 200606, 305270, 501515, 702121, 1003030, 1404242, 3510605, 7021210]

約数ペア:

[(1, 7021210), (2, 3510605), (5, 1404242), (7, 1003030), (10, 702121), (14, 501515), (23, 305270), (35, 200606), (46, 152635), (49, 143290), (70, 100303), (89, 78890), (98, 71645), (115, 61054), (161, 43610), (178, 39445), (230, 30527), (245, 28658), (322, 21805), (343, 20470), (445, 15778), (490, 14329), (623, 11270), (686, 10235), (805, 8722), (890, 7889), (1127, 6230), (1246, 5635), (1610, 4361), (1715, 4094), (2047, 3430), (2254, 3115)]