218156330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{3203}}^1$

素因数の和:3363

約数の個数: 48

約数和(自身を含む): 460222560

約数和(自身を除く): 242066230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 973, 1390, 1946, 3203, 4865, 6406, 6811, 9730, 13622, 16015, 22421, 32030, 34055, 44842, 68110, 112105, 156947, 224210, 313894, 445217, 784735, 890434, 1569470, 2226085, 3116519, 4452170, 6233038, 15582595, 21815633, 31165190, 43631266, 109078165, 218156330]

約数ペア:

[(1, 218156330), (2, 109078165), (5, 43631266), (7, 31165190), (10, 21815633), (14, 15582595), (35, 6233038), (49, 4452170), (70, 3116519), (98, 2226085), (139, 1569470), (245, 890434), (278, 784735), (490, 445217), (695, 313894), (973, 224210), (1390, 156947), (1946, 112105), (3203, 68110), (4865, 44842), (6406, 34055), (6811, 32030), (9730, 22421), (13622, 16015)]