156838990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{18517}}^1$

素因数の和:18553

約数の個数: 48

約数和(自身を含む): 354656736

約数和(自身を除く): 197817746

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 18517, 37034, 92585, 129619, 185170, 203687, 259238, 407374, 648095, 1018435, 1296190, 1425809, 2036870, 2240557, 2851618, 4481114, 7129045, 11202785, 14258090, 15683899, 22405570, 31367798, 78419495, 156838990]

約数ペア:

[(1, 156838990), (2, 78419495), (5, 31367798), (7, 22405570), (10, 15683899), (11, 14258090), (14, 11202785), (22, 7129045), (35, 4481114), (55, 2851618), (70, 2240557), (77, 2036870), (110, 1425809), (121, 1296190), (154, 1018435), (242, 648095), (385, 407374), (605, 259238), (770, 203687), (847, 185170), (1210, 129619), (1694, 92585), (4235, 37034), (8470, 18517)]