139778870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{25933}}^1$

素因数の和:25965

約数の個数: 48

約数和(自身を含む): 319299408

約数和(自身を除く): 179520538

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 25933, 51866, 129665, 181531, 259330, 285263, 363062, 570526, 907655, 1270717, 1426315, 1815310, 1996841, 2541434, 2852630, 3993682, 6353585, 9984205, 12707170, 13977887, 19968410, 27955774, 69889435, 139778870]

約数ペア:

[(1, 139778870), (2, 69889435), (5, 27955774), (7, 19968410), (10, 13977887), (11, 12707170), (14, 9984205), (22, 6353585), (35, 3993682), (49, 2852630), (55, 2541434), (70, 1996841), (77, 1815310), (98, 1426315), (110, 1270717), (154, 907655), (245, 570526), (385, 363062), (490, 285263), (539, 259330), (770, 181531), (1078, 129665), (2695, 51866), (5390, 25933)]