168386540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{171823}}^1$

素因数の和:171846

約数の個数: 36

約数和(自身を含む): 411346656

約数和(自身を除く): 242960116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 171823, 343646, 687292, 859115, 1202761, 1718230, 2405522, 3436460, 4811044, 6013805, 8419327, 12027610, 16838654, 24055220, 33677308, 42096635, 84193270, 168386540]

約数ペア:

[(1, 168386540), (2, 84193270), (4, 42096635), (5, 33677308), (7, 24055220), (10, 16838654), (14, 12027610), (20, 8419327), (28, 6013805), (35, 4811044), (49, 3436460), (70, 2405522), (98, 1718230), (140, 1202761), (196, 859115), (245, 687292), (490, 343646), (980, 171823)]