81638528090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{22129}}^1\times {\mathrm{7529}}^1$

素因数の和:29679

約数の個数: 48

約数和(自身を含む): 170971511400

約数和(自身を除く): 89332983310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 7529, 15058, 22129, 37645, 44258, 52703, 75290, 105406, 110645, 154903, 221290, 263515, 309806, 368921, 527030, 737842, 774515, 1084321, 1549030, 1844605, 2168642, 3689210, 5421605, 10843210, 166609241, 333218482, 833046205, 1166264687, 1666092410, 2332529374, 5831323435, 8163852809, 11662646870, 16327705618, 40819264045, 81638528090]

約数ペア:

[(1, 81638528090), (2, 40819264045), (5, 16327705618), (7, 11662646870), (10, 8163852809), (14, 5831323435), (35, 2332529374), (49, 1666092410), (70, 1166264687), (98, 833046205), (245, 333218482), (490, 166609241), (7529, 10843210), (15058, 5421605), (22129, 3689210), (37645, 2168642), (44258, 1844605), (52703, 1549030), (75290, 1084321), (105406, 774515), (110645, 737842), (154903, 527030), (221290, 368921), (263515, 309806)]